"""
date:     January 25, 2012
category: conditionals
purpose:  play 2 questions
"""

mammal = input("Are you a mammal (yes or no)?  ")

if mammal == "yes" :
    cat = input("Do you eat mice? ")
    if cat == "yes" :
        print("you are a cat")
    else :
        print("you are a dog")
else :
    bird = input("Can you fly?  ")
    if bird == "yes" :
        print("you are a bird")
    else :
        print("you are a fish")