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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the person skateboarding?
a: No
q: Is it the person on the bike to the right of the skateboarder?
a: No
q: To the left?
a: Yes