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+# Murder in the Park - A Robotic Mystery
+# Copyright (C) 2008 Jeffrey Armstrong (a.k.a. PrintStar)
+# http://jeff.rainbow-100.com/
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# 
+# A full version of the license terms is available in LICENSE.
+
+PREPOSITIONS = ['at',
+'with',
+'in',
+'to',
+'on',
+'inside',
+'into',
+'onto',
+'about',
+'the',
+'a',
+'an',
+'out']
+
+def removePrep(args):
+    words = args.split()
+    astr = ''
+    for word in words:
+        try:
+            PREPOSITIONS.index(word)
+        except ValueError:
+            astr = astr + word + ' '
+            
+    return astr.strip()
+
+def parseSentence(sentence):
+    """Parses the sentence and returns a verb and the two objects (if applicable)"""
+    elements = sentence.split()
+    verb = elements[0]
+    obj1 = None
+    obj2 = None
+    elements = elements[1:]
+
+    for value in elements:
+        try:
+            ind = PREPOSITIONS.index(value)
+            elements.remove(value)
+        except ValueError:
+            continue
+            
+    if len(elements) >= 1:
+        obj1 = elements[0]
+        
+    if len(elements) >= 2:
+        obj2 = elements[1]
+        
+    return (verb,obj1,obj2)