diff --git a/naive-nlu/tree_nlu/parsing.py b/naive-nlu/tree_nlu/parsing.py
index 080aaa0..6e1fe30 100644
--- a/naive-nlu/tree_nlu/parsing.py
+++ b/naive-nlu/tree_nlu/parsing.py
@@ -127,7 +127,11 @@ def integrate_language(knowledge_base, example):
 def apply_remix(tokens, remix):
     rebuilt = []
     for i in remix:
-        rebuilt.append(tokens[i])
+        if isinstance(i, int):
+            rebuilt.append(tokens[i])
+        else:
+            assert(isinstance(i, str))
+            rebuilt.append(i)
     return rebuilt
 
 
@@ -154,13 +158,14 @@ def get_possible_remixes(knowledge_base, matcher, similar_matcher):
     for element in matcher:
         logging.debug("- {}".format(element))
         logging.debug("+ {}".format(similar_matcher))
-        assert(element in similar_matcher or isinstance(element, dict))
-
-        if isinstance(element, dict):
-            indexes = all_matching_indexes(knowledge_base, similar_matcher, element)
+        if element in similar_matcher or isinstance(element, dict):
+            if isinstance(element, dict):
+                indexes = all_matching_indexes(knowledge_base, similar_matcher, element)
+            else:
+                indexes = all_indexes(similar_matcher, element)
+            matrix.append(indexes)
         else:
-            indexes = all_indexes(similar_matcher, element)
-        matrix.append(indexes)
+            matrix.append([element])
 
     # TODO: do some scoring to find the most "interesting combination"
     return [list(x) for x in list(zip(*matrix))]
@@ -294,10 +299,16 @@ def reprocess_language_knowledge(knowledge_base, examples):
 
 def reverse_remix(tree_section, remix):
     result_section = []
+    offset = 0
     for origin in remix:
-        if origin >= len(tree_section):
-            return None
-        result_section.append(copy.deepcopy(tree_section[origin]))
+        if isinstance(origin, int):
+            if origin >= len(tree_section):
+                return None
+
+            result_section.append(copy.deepcopy(tree_section[origin + offset]))
+        else:
+            assert(isinstance(origin, str))
+            offset += 1
     return result_section + tree_section[len(remix):]
 
 
diff --git a/naive-nlu/tree_nlu/test.py b/naive-nlu/tree_nlu/test.py
index 92addcb..caaacdd 100644
--- a/naive-nlu/tree_nlu/test.py
+++ b/naive-nlu/tree_nlu/test.py
@@ -17,7 +17,9 @@ def main():
             test_module.main()
             print(" \x1b[1;32m✓\x1b[0m {}".format(test_name))
         except AssertionError as ae:
-            print(" \x1b[1;31m✗\x1b[0m {}: {}".format(test_name, ae.args[0]))
+            print(" \x1b[1;31m✗\x1b[0m {}: {}".format(test_name,
+                                                      ae.args[0] if len(ae.args) > 0
+                                                      else '\b\b \b'))
             failed = True
 
         except Exception as e:
diff --git a/naive-nlu/tree_nlu/tests/gac_100.py b/naive-nlu/tree_nlu/tests/gac_100.py
index eb3fe39..a1d7760 100644
--- a/naive-nlu/tree_nlu/tests/gac_100.py
+++ b/naive-nlu/tree_nlu/tests/gac_100.py
@@ -36,7 +36,7 @@ examples = [
     ('full_example',
      {
          "text": "Is it hot during the summer?",
-         "affirmation": "it is hot during the summer",
+         "affirmation": "it is hot during summer",
          "parsed": ("question",
                     ("implies", 'summer', 'hot')),
          "answer": True,