Objects in the image:
category: bicycle
category: person
category: bicycle
category: motorcycle
category: motorcycle
category: person
category: person
category: person
category: bus
category: truck
category: bus
category: traffic light
category: person
category: motorcycle
category: bicycle
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it horizontal?
a: No
q: is it a light?
a: No
q: is it a building?
a: No
q: is it some sort of sign?
a: No
q: is it a tree?
a: No
q: is it a support beam?
a: No
q: is it part of a vehicle?
a: No
q: is it on/in the road?
a: N/A
q: is it part of the bus?
a: No
q: is it a bicycle?
a: No
q: is it a human?
a: Yes
q: is the human part of an advertisement?
a: No