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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it in the background?
a: Yes
q: is it on the right half of the picture?
a: Yes
q: is it by the black board on the right?
a: Yes
q: is it wearing white?
a: No
q: is it wearing black?
a: Yes
q: is he the furthest to the left in front of the board?
a: No
q: is he the one in front of the one wearing white?
a: Yes