Objects in the image:
category: backpack
category: laptop
category: person
category: backpack
category: person
category: cell phone
category: bench
category: handbag
category: person
category: person
category: person
category: person
category: cell phone

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it mobile?
a: No
q: is it lap?
a: No
q: is it bag?
a: Yes