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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle or on a vehicle?
a: Yes
q: is it to the right of the man on the bike?
a: No
q: is it the vehicle behind the man on bike?
a: N/A
q: is it a vehicle in background?
a: Yes
q: is it white?
a: No
q: is it red?
a: No
q: is it a bike?
a: No
q: is it a van?
a: No
q: is it on the left side of picture?
a: Yes
q: is it the vehicle behind the man on bike on the left side of screen?
a: No
q: is it black?
a: Yes