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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the bike?
a: No
q: is it a traffic light?
a: No
q: is it a bag?
a: Yes
q: is it the backpack the person is wearing?
a: Yes