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

Guessing-game dialogue about one of the objects:
q: is it in the foreground?
a: Yes
q: is it a person?
a: No
q: is it yellow?
a: No
q: is it a rock?
a: No
q: is it in the water?
a: No
q: is it black?
a: Yes
q: is it in the bottom left corner of the picture?
a: No
q: is it leaning up against the man's leg?
a: Yes