Objects in the image:
category: person
category: skateboard
category: backpack
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 one who is skating?
a: No
q: can u see 3 person in front?
a: Yes
q: is it one of them?
a: No