Objects in the image:
category: train
category: train
category: train

Guessing-game dialogue about one of the objects:
q: is it yellow?
a: No
q: is it green?
a: No
q: is it red?
a: No
q: is it the blue sign on the steps?
a: No
q: is it the grass?
a: No
q: is it the sky?
a: No
q: is it one of the trains in the background?
a: Yes
q: is it the one on the right with red?
a: Yes
q: is it the whole train?
a: Yes