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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he wear white cap?
a: No
q: is he behind?
a: Yes
q: is he wear red?
a: No
q: is he standing?
a: N/A
q: is he right side?
a: Yes