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: Yes
q: is facing front?
a: No
q: is with cap?
a: No
q: is in the left end?
a: No
q: like a phone?
a: Yes