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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: Yes
q: is it someone in the bus?
a: No
q: is it someone in the dark green truck?
a: Yes
q: is it the person on the left?
a: Yes