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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the man wearing a white shirt?
a: No
q: the person next to him in blue?
a: No
q: the person ahead of the man whose head is partially visible?
a: No
q: is it the one ahead of the person wearing blue?
a: Yes