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

Guessing-game dialogue about one of the objects:
q: oh boy, is it a person?
a: No
q: is it the green thing?
a: No
q: is a person holding it?
a: No
q: is it on a person?
a: No
q: is it blue?
a: No
q: is it to the left?
a: No
q: is it the white and blue thing in the corner?
a: N/A
q: the white and blue soda holder?
a: No
q: is it the tent?
a: No
q: is it a surf board?
a: Yes
q: in the way back?
a: Yes