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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a skateboard?
a: Yes
q: IS it being used?
a: Yes