Objects in the image:
category: skateboard
category: person
category: fire hydrant
category: truck

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 worn by the person?
a: No
q: is it in the left of us?
a: No
q: is it in the right of us?
a: No
q: is it on the floor?
a: N/A