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

Guessing-game dialogue about one of the objects:
q: Is it on the tracks?
a: Yes
q: Is it white?
a: No
q: Is it red?
a: Yes
q: It is a boxcar?
a: Yes
q: Is it at the left edge of the picture?
a: No
q: Is it behind all the other cars?
a: Yes
q: Is there another red car connected in front of it?
a: Yes