Objects in the image:
category: person
category: car
category: person
category: backpack
category: handbag
category: person
category: suitcase
category: suitcase
category: bus
category: person
category: car
category: suitcase
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: Yes
q: is it a left side?
a: No
q: is he behind?
a: No
q: is he standing near bus?
a: Yes