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

Guessing-game dialogue about one of the objects:
q: is it in left?
a: Yes
q: is it person?
a: No
q: is it in front?
a: Yes
q: is it bus?
a: No
q: is it light?
a: No
q: is it car?
a: No
q: is it tree?
a: No
q: Is it a streetlight?
a: No
q: is it near the building?
a: No
q: is it road?
a: No
q: is it in tree?
a: No
q: is it in bottom?
a: N/A
q: is it inside the bus?
a: No
q: is it in front?
a: N/A
q: is it leftmost?
a: No