diff --git a/sentiText/sentitext.py b/sentiText/sentitext.py
index 04dc325..903dbeb 100644
--- a/sentiText/sentitext.py
+++ b/sentiText/sentitext.py
@@ -11,8 +11,7 @@ from scipy.interpolate import interp1d
 from os import path
 
 from senpy.plugins import SentimentPlugin, SenpyPlugin
-from senpy.models import Response, Opinion, Entry
-
+from senpy.models import Results, Entry, Sentiment
 
 logger = logging.getLogger(__name__)
 
@@ -113,27 +112,28 @@ class SentiTextPlugin(SentimentPlugin):
         scores = {}
         for i in tokens:
             scores[i] = {}
-            for word in useful_synsets[i]:
-                if useful_synsets[i][word] is None:
-                    continue
-                temp_scores = self._swn.get_score(useful_synsets[i][word].name().split('.')[0].replace(' ',' '))
-                for score in temp_scores:
-                    if score['synset'] == useful_synsets[i][word]:
-                        t_score = score['pos'] - score['neg']
-                        f_score = 'neu'
-                        if t_score > 0:
-                            f_score = 'pos'
-                        elif t_score < 0:
-                            f_score = 'neg'
-                        score['score'] = f_score
-                        scores[i][word] = score
-                        break
+            if useful_synsets is None:   
+                for word in useful_synsets[i]:
+                    if useful_synsets[i][word] is None:
+                        continue
+                    temp_scores = self._swn.get_score(useful_synsets[i][word].name().split('.')[0].replace(' ',' '))
+                    for score in temp_scores:
+                        if score['synset'] == useful_synsets[i][word]:
+                            t_score = score['pos'] - score['neg']
+                            f_score = 'neu'
+                            if t_score > 0:
+                                f_score = 'pos'
+                            elif t_score < 0:
+                                f_score = 'neg'
+                            score['score'] = f_score
+                            scores[i][word] = score
+                            break
         logger.debug("All scores (some not used): {}".format(scores))
 
 
         lang = params.get("language", "auto")
         p = params.get("prefix", None)
-        response = Response(prefix=p)
+        response = Results()
 
         for i in scores:
             n_pos = 0.0
@@ -159,17 +159,16 @@ class SentiTextPlugin(SentimentPlugin):
                 polarity = 'marl:Negative'
 
             entry = Entry(id="Entry"+str(i),
-                      text=tokens[i]['sentence'],
-                      prefix=p)
-            polarity
-            opinion = Opinion(id="Opinion0"+'_'+str(i),
-                          prefix=p,
-                          hasPolarity=polarity,
-                          polarityValue=float("{0:.2f}".format(g_score)))
+                      nif_isString=tokens[i]['sentence'])
 
+            opinion = Sentiment(id="Opinion0"+'_'+str(i),
+                          marl__hasPolarity=polarity,
+                          marL__polarityValue=float("{0:.2f}".format(g_score)))
 
             opinion["prov:wasGeneratedBy"] = self.id
-            entry.opinions.append(opinion)
+
+            entry.sentiments = []
+            entry.sentiments.append(opinion)
             entry.language = lang
             response.entries.append(entry)
         return response
diff --git a/sentiText/test.py b/sentiText/test.py
new file mode 100644
index 0000000..1bb0c75
--- /dev/null
+++ b/sentiText/test.py
@@ -0,0 +1,42 @@
+import os
+import logging
+logging.basicConfig()
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
+from senpy.extensions import Senpy
+from flask import Flask
+import unittest
+
+class SentiTextTest(unittest.TestCase):
+
+    def setUp(self):
+        self.app = Flask("test_plugin")
+        self.dir = os.path.join(os.path.dirname(__file__))
+        self.senpy = Senpy(plugin_folder=self.dir, default_plugins=False)
+        self.senpy.init_app(self.app)
+
+    def tearDown(self):
+        self.senpy.deactivate_plugin("SentiText", sync=True)
+
+    def test_analyse(self):
+        plugin = self.senpy.plugins["SentiText"]
+        plugin.activate()
+
+        texts = {'Odio ir al cine' :  'marl:Neutral',
+                 'El cielo esta nublado' : 'marl:Positive',
+                 'Esta tarta esta muy buena' : 'marl:Neutral'}
+
+        for text in texts:
+            response = plugin.analyse(input=text)
+            sentimentSet = response.entries[0].sentiments[0]
+            print sentimentSet
+            expected = texts[text]
+            
+            assert sentimentSet['marl:hasPolarity'] == expected
+        
+        plugin.deactivate()
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file