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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the person skateboarding in front?
a: No
q: Does the person have green and yellow on his shirt?
a: No
q: Is the person standing up?
a: Yes
q: Does the person have a black shirt?
a: No