Task: Question Generation
Input (English): #1 return images 
#2 return water buffaloes in  #1 
#3 return #2 that are dark 
#4 return number of  #3 for each  #1 
#5 return #1 where  #4 is equal to  one 
#6 return number of  #5 
#7 return number of  #1 
#8 return if  #6 is equal to  #7 
#9 return humans in  #1 
#10 return number of  #9 for each  #1 
#11 return #1 where  #10 is at least one 
#12 return number of  #11 
#13 return if  #12 is equal to  zero 
#14 return if  both  #8 and #13 are true
Output (English): If each image contains exactly one dark water buffalo, and no images contain humans.