Task: Question Generation
Input (English): #1 return images 
#2 return drums in  #1 
#3 return #2 that are cylindrical 
#4 return #3 that are metal 
#5 return top of #4 
#6 return #4 where  #5 is concave 
#7 return number of  #6 for each  #1 
#8 return #1 where  #7 is equal to  one 
#9 return number of  #8 
#10 return number of  #1 
#11 return if  #9 is equal to  #10 
#12 return the  right image 
#13 return the  left image 
#14 return drum in  #12 
#15 return drum in  #13 
#16 return stand of #14 
#17 return stand of #15 
#18 return if  #16 is shaped similar to  #17 
#19 return if  both  #11 and #18 are true
Output (English): If each image shows one cylindrical metal drum with a concave top, and the drums on the right and left have similar shaped stands.