Task: Question Generation
Input (English): #1 return man 
#2 return couch 
#3 return #1 that is sitting down on #2 
#4 return images 
#5 return number of  #3 for each  #4 
#6 return #4 where  #5 is at least one 
#7 return number of  #6 
#8 return if  #7 is equal to  one
Output (English): If in one of the image there is at least one man sitting down on a couch.