diff --git a/truths/truths.py b/truths/truths.py
index e55ba88..029836a 100644
--- a/truths/truths.py
+++ b/truths/truths.py
@@ -20,48 +20,40 @@
 import re
 
 
-class Gob(object):
-    pass
-
-
 class Truths(object):
-    def __init__(self, base=None, phrases=None, ints=True):
-        if not base:
+    def __init__(self, bases=None, phrases=None, ints=True):
+        if not bases:
             raise Exception('Base items are required')
-        self.base = base
+        self.bases = bases
         self.phrases = phrases or []
         self.ints = ints
 
         # generate the sets of booleans for the bases
         self.base_conditions = list(itertools.product([False, True],
-                                                      repeat=len(base)))
+                                                      repeat=len(bases)))
 
         # regex to match whole words defined in self.bases
         # used to add object context to variables in self.phrases
-        self.p = re.compile(r'(?<!\w)(' + '|'.join(self.base) + ')(?!\w)')
+        self.p = re.compile(r'(?<!\w)(' + '|'.join(self.bases) + ')(?!\w)')
 
     def calculate(self, *args):
-        # store bases in an object context
-        g = Gob()
-        for a, b in zip(self.base, args):
-            setattr(g, a, b)
-
-        # add object context to any base variables in self.phrases
-        # then evaluate each
+        bools = dict(zip(self.bases, args))
+        # substitute bases with boolean values in self.phrases then evaluate
+        # each phrase
         eval_phrases = []
-        for item in self.phrases:
-            item = self.p.sub(r'g.\1', item)
-            eval_phrases.append(eval(item))
+        for phrase in self.phrases:
+            phrase = self.p.sub(lambda match: str(bools[match.group(0)]), phrase)
+            eval_phrases.append(eval(phrase))
 
         # add the bases and evaluated phrases to create a single row
-        row = [getattr(g, b) for b in self.base] + eval_phrases
+        row = [val for key, val in bools.items()] + eval_phrases
         if self.ints:
             return [int(c) for c in row]
         else:
             return row
 
     def __str__(self):
-        t = PrettyTable(self.base + self.phrases)
+        t = PrettyTable(self.bases + self.phrases)
         for conditions_set in self.base_conditions:
             t.add_row(self.calculate(*conditions_set))
         return str(t)