Objects in the image:
category: person
category: person
category: airplane
category: person
category: person
category: cell phone
category: bus

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: it is on a person?
a: No
q: is it in the background of the photo?
a: No
q: is it blue?
a: No
q: is someone holding it?
a: No
q: is it black?
a: No
q: is it grey?
a: Yes
q: is it the airplane?
a: Yes