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

Guessing-game dialogue about one of the objects:
q: person / ?
a: No
q: skateboard / ?
a: Yes
q: main one in front?
a: No
q: left half of picture?
a: No
q: is someone sitting on it?
a: No
q: person is partially hidden by guy jumping?
a: Yes
q: red top ?
a: No
q: blue top ?
a: Yes