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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a bus?
a: Yes
q: the one in front of us?
a: No
q: the one at far back?
a: Yes