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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the bookbag?
a: No
q: is it in the foreground?
a: Yes
q: is it the bench?
a: No
q: is it a bottle?
a: No
q: does a person have it?
a: Yes
q: is it the guys phone?
a: Yes