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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: on the skateboard?
a: No
q: man walking on the left side of photo?
a: No
q: the hand on left side?
a: No
q: the man all the way on right in background?
a: Yes