old_contents: ''' 
  Script used to query Wikipedia for summary of object 
  '''
  
  import sys
  import wikipedia 
  
  def main():
  	# Check that we have the right number of arguments 
  	if (len(sys.argv) != 2): 
  		print 'Incorrect number of arguments; please pass in only one string that contains the subject'
  	 	return 'Banana'
  
  	print wikipedia.summary(sys.argv[1])
  	#return wikipedia.summary(sys.argv[1])
  
  
  if __name__ == '__main__':
  	main()
new_contents: ''' 
  Script used to query Wikipedia for summary of object 
  '''
  
  import sys
  import wikipedia 
  import nltk 
  
  def main():
  	# Check that we have the right number of arguments 
  	if (len(sys.argv) != 2): 
  		print 'Incorrect number of arguments; please pass in only one string that contains the query'
  	 	return 'Banana'
  
  	# Get the noun from the query (uses the first noun it finds for now)
  	print sys.argv[0]
  	tokens = nltk.word_tokenize(sys.argv[1])
  	tagged = nltk.pos_tag(tokens)
  
  	# Find first noun in query and provide Wikipedia summary for it 
  	for tag in tagged: 
  		if tag[1][0] == 'N': 
  			print wikipedia.summary(tag[0])
  			return 
  
  
  if __name__ == '__main__':
  	main()
subject: Add nltk part to script