Task: Question Decomposition
Input (English): question: If each picture has exactly one hyena.
Output (English): #1 return hyenas 
#2 return picture of  #1 
#3 return number of #1 for each #2 
#4 return #2 where #3 is  equal to one 
#5 return number of #4 
#6 return number of #2 
#7 return If #5 is  equal to #6