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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it wearing red?
a: No
q: is it wearing green?
a: No
q: does it have a backpack?
a: Yes
q: is it holding a long cylindrical object?
a: Yes