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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it black?
a: No
q: is it a vehicle?
a: No
q: is it a tree?
a: No
q: is it a building?
a: No
q: is it in the left side of the picture?
a: No
q: is it in the right side of the picture?
a: Yes
q: is it a light?
a: Yes
q: is it red light?
a: Yes
q: is it bottom red light?
a: No
q: top red light?
a: Yes
q: near another red light?
a: No
q: near a blue light?
a: No
q: is it in the bottom left side of the picture?
a: No
q: near a tree?
a: Yes
q: small light red light?
a: Yes