Objects in the image:
category: person
category: person
category: backpack
category: person
category: skateboard
category: car
category: handbag
category: cell phone
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a roller skater?
a: No
q: is it a car and only half visible?
a: No
q: is it a mobile phone?
a: No
q: is it on the man in the middle?
a: No
q: on the man on the right?
a: No
q: on the man on the left?
a: Yes
q: is it his bag?
a: Yes
q: a whole bag?
a: Yes