Task: Question Generation
Input (English): #1 return hyenas 
#2 return mouth of #1 
#3 return prey 
#4 return #1 where  #2 has #3 
#5 return #1 besides  #4 
#6 return #5 walking toward the  left 
#7 return number of  #6 
#8 return if  #7 is equal to  one
Output (English): If 1 hyena with no prey in its mouth is walking toward the left.