Objects in the image:
category: traffic light
category: car
category: bus
category: truck
category: car
category: car
category: person
category: person
category: truck
category: car
category: car
category: person
category: person
category: person
category: car
category: clock
category: car
category: traffic light

Guessing-game dialogue about one of the objects:
q: is it clock?
a: No
q: is it person?
a: No
q: is it car or truck?
a: Yes
q: is it a person?
a: No
q: is it clock?
a: No
q: is it car?
a: Yes
q: is it on right side?
a: No
q: is it white?
a: N/A
q: is it in front?
a: No
q: can u see a big truck near the building?
a: Yes
q: is it near this truck?
a: Yes
q: is it the one ...just in front of truck?
a: Yes