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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person skateboarding in the front?
a: No
q: is the person skateboarding while sitting?
a: No
q: is the person riding a bike?
a: No
q: so is it the person running?
a: Yes