Objects in the image:
category: backpack
category: backpack
category: car
category: person
category: car
category: person
category: surfboard
category: person
category: backpack
category: backpack
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a car?
a: No
q: is it a van?
a: No
q: is it a bag?
a: Yes
q: is it all black?
a: Yes
q: is it on the lady in a reddish top?
a: Yes