diff --git a/preparator.py b/preparator.py
index 26ad0c5..02365ec 100644
--- a/preparator.py
+++ b/preparator.py
@@ -29,7 +29,7 @@ TITLE2REDIRECT_PATH = os.path.abspath(os.path.join(MAIN_PATH, 'data', 'wikipedia
 
 ANNO_PATH = TEST_PATH
 OUT_PATH = os.path.abspath(os.path.join(MAIN_PATH, 'data',
-                                        'test-20170720.csv'))
+                                        'test-1to5-20170720.csv'))
 EACH_TEXT_SEPARATELLY = False
 
 CONTEXT = 5
@@ -39,8 +39,9 @@ MODEL = os.path.abspath(os.path.join(MAIN_PATH, 'models',
                                      'w2v_allwiki_nkjpfull_%d.model' % W2V_SIZE))
 
 FIRST_SECOND_PERSON = ['pri', 'sec']
-INDICATIVE_PRONS_BASES = ["ten", "ta", "to", "ci", "te", "tamten", "tamta",
-                          "tamto", "tamci", "tamte", "ów", "owa", "owo", "owi", "owe"]
+INDICATIVE_PRONS_BASES = [u'ten', u'ta', u'to', u'ci', u'te', u'tamten', u'tamta',
+                          u'tamto', u'tamci', u'tamte', u'ów', u'owa', u'owo',
+                          u'owi', u'owe']
 SIEBIE_TAGS = ['siebie']
 MASCULINE_TAGS = ['m1', 'm2', 'm3']
 
@@ -50,7 +51,7 @@ ZERO_TAGS = ['fin', 'praet', 'bedzie', 'impt', 'winien', 'aglt']
 POSSIBLE_HEADS = [u'§', u'%', u'*', u'"', u'„', u'&', u'-']
 HYPHEN_SIGNS = ['-', '#']
 
-NEG_PROPORTION = 1
+NEG_PROPORTION = 5
 RANDOM_VECTORS = True
 
 DEBUG = False
@@ -612,7 +613,7 @@ def check_one_way_acronym(acronym, expression):
         for expr2 in expr1.split():
             expr2 = expr2.strip()
             if expr2:
-                initials += str(expr2[0]).upper()
+                initials += expr2[0].upper()
     if acronym == initials:
         return 1
     return 0