Objects in the image:
category: person
category: person
category: skateboard
category: person
category: person
category: person
category: skateboard
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 he skating?
a: No
q: is this person standing maybe next in turn?
a: Yes
q: is he wearing greenish tee?
a: No
q: is he wearing red?
a: Yes