question: If the puppy on the left is running, while the one on the right is not.
#1 return puppy 
#2 return #1 on the  left 
#3 return #1 on the  right 
#4 return If #2 is  running 
#5 return If #3 is  not running 
#6 return If both  #4 and #5 is  true