Objects in the image:
category: person
category: person
category: bicycle
category: person
category: person
category: boat

Guessing-game dialogue about one of the objects:
q: Is it on the water?
a: No
q: Is it a person?
a: Yes
q: Is he on a bike?
a: No
q: Is he standing next to the red flag?
a: No
q: Is he standing next to the yellow board?
a: Yes