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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: the leftmost person?
a: No
q: 2nd form the left?
a: No
q: 3rd from the left?
a: No
q: 4th from the left?
a: Yes