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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it in front?
a: No
q: is in back?
a: N/A
q: is in middle?
a: Yes
q: is 4th from front?
a: Yes
q: Is it the person in grey with the sandal bottom?
a: Yes