Objects in the image:
category: person
category: train
category: bench
category: person
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it green?
a: No
q: is it red?
a: No
q: is it on the building?
a: No
q: is it near the building?
a: Yes
q: is it blue?
a: No
q: is it brown?
a: No
q: is it attached to the building?
a: No
q: is it on the tracks?
a: No
q: is it in the foreground?
a: Yes
q: is it in the background?
a: No
q: is it a living thing?
a: No
q: is it flat?
a: Yes