Objects in the image:
category: person
category: person
category: person
category: surfboard
category: person
category: surfboard
category: surfboard
category: person
category: person
category: surfboard
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: Yes
q: is the person surfing?
a: No
q: waving hands?
a: No
q: hands on hips?
a: No
q: part of the group of four?
a: No
q: standing on right?
a: Yes