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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it train?
a: No
q: s it bench?
a: Yes
q: one on which person is sitting?
a: No
q: bench left of him?
a: Yes