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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: is he/she in foreground?
a: Yes
q: is he/she an adult?
a: N/A
q: does he/she wears helmet?
a: No
q: is he/she on left?
a: Yes
q: does he/she facing right?
a: No
q: does he/she wears red?
a: No
q: does he/she facing front?
a: Yes