Objects in the image:
category: skateboard
category: bottle
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: skateboard
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 the person standing?
a: Yes
q: is the person exactly right of screen?
a: No
q: is the person among the group of 3 people?
a: No
q: is the person skating?
a: Yes