Task: Question Generation
Input (English): #1 return images 
#2 return water buffalo in  #1 
#3 return number of  #2 for each  #1 
#4 return #1 where  #3 is at least two 
#5 return number of  #4 
#6 return if  #5 is equal to  one
Output (English): If there are no less than two water buffalo in one of the images.