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

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: is jumping in the middle?
a: No
q: in the right side from the jumping?
a: No
q: the person with a backpack?
a: Yes
q: with a cap?
a: Yes