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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: green surf board?
a: No
q: something the humans are holding wearing or carrying?
a: Yes
q: camera ??
a: No
q: cell phone ??
a: Yes
q: the woman on the right edge in black is holding it?
a: Yes