Task: Question Generation
Input (English): #1 return animal 
#2 return #1 that is  horned 
#3 return rocks 
#4 return #3 that are  dark 
#5 return #2 that is  standing on #4 
#6 return number of #5 
#7 return If #6 is  equal to one
Output (English): If an image shows one horned animal standing on dark rocks.