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

Guessing-game dialogue about one of the objects:
q: a person?
a: Yes
q: on a skateboard?
a: No
q: on a bike?
a: Yes
q: right side?
a: No