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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skate board?
a: Yes
q: is it under the person in red?
a: No
q: is it under the person in black?
a: Yes