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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a human?
a: Yes
q: is it on the background?
a: No
q: is he riding a bike?
a: No
q: is he surfing?
a: Yes