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

Guessing-game dialogue about one of the objects:
q: is it the car?
a: No
q: is it part of the car?
a: No
q: is it the sky?
a: No
q: the ground maybe?
a: No
q: is it the ocean?
a: No
q: people inside the bus?
a: Yes
q: any particular person inside?
a: Yes
q: the left front?
a: Yes
q: is it the people inside the bus?
a: Yes
q: the left front?
a: Yes