Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: skateboard
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 the skater?
a: No
q: does the person have on dark clothes?
a: Yes
q: is it a person?
a: Yes
q: is it the skater?
a: No
q: is the person wearing dark clothes?
a: No
q: is the person wearing red shirt?
a: No
q: is the person wearing all white shirt?
a: Yes