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

Guessing-game dialogue about one of the objects:
q: person ??
a: Yes
q: the baby?
a: No
q: one of the people carrying the surfboards in the back?
a: No
q: the pink sweater?
a: Yes