Objects in the image:
category: backpack
category: cell phone
category: person
category: person
category: traffic light
category: traffic light
category: person
category: person
category: car

Guessing-game dialogue about one of the objects:
q: is it a person?
a: N/A
q: is it the car?
a: No
q: is it the traffic light?
a: No
q: is it the crosswalk light?
a: No
q: is it the tree?
a: No
q: is it a sign?
a: No
q: is it part of the building?
a: No
q: is it on a person?
a: Yes
q: is it being held by a person?
a: Yes
q: is it a phone?
a: No
q: is it the backpack?
a: Yes