def inputWords(posTypes,form):
    words = []
    for m in form:
        if m in posTypes:
            words.append(input(m + ' '))
    return words

def generateMadLib(posTypes,form,words):
    s = ''
    i = 0
    for m in form:
        if m == 'DET':
            s += det(words[i])
        elif m in posTypes:
            s += words[i]
            i += 1
        elif m == 'NewLine':
            s += '\n'
        else:
            s += m
    print(s)

def det(noun):
    if noun[0] in 'aeiou':
        return 'an '
    else:
        return 'a '
    
def main():
   words = []
   #Here are all the types of fillers you can use to create your madlib
   posTypes = ['NOUN','NOUN (PLURAL)','NOUN','NOUN','PLACE','NOUN','ADJECTIVE']
   posTypes += ['VERB (SINGULAR SUBJECT)','VERB (PLURAL SUBJECT)','NUMBER','BODY PART']

   # Create your form.
   # Include all spaces in the strings which you want on the output
   # 'DET' means that a or an should be printed before the next word.
   # NewLine is just a human-friendly signal that you want a '\n'
   # 
   form =  ['Be kind to your ','NOUN','-footed ','NOUN (PLURAL)','NewLine']
   form += ["For a duck may be somebody's ",'NOUN','NewLine',]
   form += ['Be kind to your ','NOUN',' in ','PLACE','NewLine']
   form += ['For they may be ','DET','NOUN']

   words = inputWords(posTypes,form)
   generateMadLib(posTypes,form,words)

main()