Objects in the image:
category: car
category: bus
category: person
category: bicycle
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it the building or on the building?
a: No
q: is it a tree?
a: No
q: ok is it part of the building on the left?
a: No
q: is it something on a vehicle?
a: No
q: it isnt the bike or something on it?
a: No
q: is it to the left of the bike?
a: No
q: it is to the right of the bike?
a: Yes
q: is it to the left of the tax?
a: No
q: above the taxi?
a: Yes
q: above the building?
a: No
q: is it the thing on the taxi?
a: Yes
q: the ad  sign on the taxi?
a: No
q: but it is something on the taxi?
a: Yes
q: is it on the driver door?
a: No
q: the back door?
a: No
q: the front of the car?  The bumper?
a: No