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

Guessing-game dialogue about one of the objects:
q: is it bus?
a: No
q: is it a person?
a: Yes
q: in the bus?
a: No
q: in between red and green bus?
a: Yes