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

Guessing-game dialogue about one of the objects:
q: it it a person?
a: Yes
q: is it a person on the right side of the train?
a: Yes
q: is it a child?
a: No
q: is it the conductor?
a: No
q: is it the woman beside the child?
a: No
q: is it the person on the train?
a: No
q: Is the person partially obscured by another person?
a: No
q: is it a person wearing blue?
a: No