Objects in the image:
category: person
category: truck
category: person
category: person
category: person
category: bus
category: person
category: truck
category: truck
category: person

Guessing-game dialogue about one of the objects:
q: it is vehicle?
a: No
q: it is bus?
a: No
q: it is silencer?
a: No
q: it is tire?
a: No
q: is it a vehicle?
a: No
q: is it a car?
a: No
q: part of the var?
a: No
q: is it the green area?
a: No
q: Is it a vehicle?
a: No
q: Is it a person?
a: Yes
q: Is the person on top of the bus?
a: Yes
q: Is it a person?
a: Yes
q: Is the person on the top of the bus?
a: Yes
q: Is the person towards the back of the bus?
a: N/A
q: If it rained would the person get wet?
a: Yes
q: Is the person wearing black?
a: Yes
q: Is the person in front of the person wearing white?
a: N/A
q: Is the person closer to the front of the bus?
a: No