Task: Question Generation
Input (English): #1 return bird 
#2 return branch 
#3 return leaves 
#4 return #2 that has #3 
#5 return #1 that perches on #4 
#6 return the  number of  #5 
#7 return if  #6 is equal to  one
Output (English): If a single bird perches on a branch with leaves on it.