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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is she riding a bike?
a: N/A
q: is the person skate boarding?
a: No
q: is the person?
a: Yes
q: is the person fully visible?
a: No
q: do we only see their leg?
a: Yes