Objects in the image:
category: person
category: person
category: backpack
category: person
category: bicycle
category: bicycle
category: car
category: person
category: person
category: person
category: cell phone
category: handbag
category: person
category: bicycle

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it touching a person?
a: No
q: a bag?
a: No
q: a car?
a: Yes
q: the one just behind these guys?
a: Yes