Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: backpack
category: bus
category: handbag
category: person
category: handbag
category: truck
category: person
category: backpack
category: truck

Guessing-game dialogue about one of the objects:
q: is it a person?
a: N/A
q: is it a person?
a: N/A
q: is it a bag?
a: Yes
q: is it the black backpack?
a: Yes