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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it to the left of the man at the podium?
a: No
q: is it to the right of the man?
a: Yes
q: is it a vehicle?
a: Yes
q: is it a gray van?
a: No
q: is it a white car?
a: Yes
q: is it beside the people in the reflection in the glass?
a: Yes