Objects in the image:
category: person
category: person
category: person
category: person
category: traffic light
category: bus
category: person
category: train
category: person
category: bus
category: person
category: person
category: person
category: traffic light
category: person
category: person

Guessing-game dialogue about one of the objects:
q: it a person?
a: No
q: It is a vehicle?
a: No
q: train /?
a: No
q: bus /?
a: No
q: it a person?
a: No
q: right side?
a: No
q: left side?
a: No
q: middle side?
a: Yes
q: can we travel on it?
a: No