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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it surfboard?
a: No
q: is it backpack?
a: Yes
q: Is it with the person to the far left?
a: Yes