Task: Question Generation
Input (English): #1 return dog  
#2 return #1 sitting upright 
#3 return #1 standing on all fours 
#4 return if  #2 is in  one image  
#5 return if  #3 is in  other image  
#6 return if  both  #4 and #5 are true
Output (English): If one image shows a dog sitting upright, and the other image features a dog standing on all fours.