Objects in the image:
category: person
category: person
category: bed
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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is a board?
a: Yes
q: is it the white board in the center?
a: Yes