Objects in the image:
category: backpack
category: person
category: person
category: person
category: traffic light
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: motorcycle

Guessing-game dialogue about one of the objects:
q: it is vehicle?
a: No
q: it a person?
a: No
q: traffic light?
a: Yes
q: it just light?
a: Yes