Objects in the image:
category: person
category: backpack
category: person
category: person
category: person
category: person
category: cell phone
category: cell phone
category: backpack
category: person
category: person

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