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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a truck?
a: No
q: is it a bus?
a: No
q: is it a sign?
a: No
q: is it a building?
a: No
q: is it a window?
a: No
q: is it the ground?
a: No
q: is it a plant?
a: No
q: is it a post?
a: No
q: is it black?
a: Yes
q: is it a mirror?
a: No
q: is it part of a vehicle?
a: Yes
q: is it a tire?
a: No
q: is it a windshield washer?
a: No
q: is it on the front of a truck?
a: No
q: Is it lettering?
a: No
q: Is it on the bus?
a: No
q: Is it on the truck in the foreground?
a: No
q: Is it a bumper?
a: Yes