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

Guessing-game dialogue about one of the objects:
q: IS it a person?
a: No
q: IS it a piece of wood?
a: No
q: Is it the skateboard?
a: No
q: IS it on the ground?
a: Yes
q: Is it a black bag?
a: Yes