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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a bus?
a: No
q: is it associated with the bus?
a: No
q: is it associated with a person?
a: Yes
q: is it an article of clothing?
a: No
q: is it on the person on the far left of the picture?
a: Yes
q: is it red?
a: Yes