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

Guessing-game dialogue about one of the objects:
q: is it one of the buses?
a: Yes
q: is it the one with the door open?
a: No
q: is it the middle one?
a: No
q: is it the one where the people are standing next to it?
a: Yes