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

Guessing-game dialogue about one of the objects:
q: person ??
a: Yes
q: someone using the surfboard?
a: Yes
q: the first on the left?
a: No
q: person using a blue surfboard?
a: No
q: a yellow surf board?
a: No
q: Is it the red surfboard?
a: Yes
q: first red on the right?
a: N/A