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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he standing?
a: Yes
q: is the person on the left of the train?
a: Yes
q: does the persons top portion only visible?
a: N/A
q: is the persons legs visible?
a: Yes
q: is it a person?
a: Yes