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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it plane?
a: No
q: vehicle ??
a: No
q: bag ??
a: Yes
q: someone holding it?
a: Yes
q: Is it someone from the group in the middle of the image?
a: No
q: the person on right holding it?
a: Yes
q: the whole backpack?
a: Yes