Objects in the image:
category: person
category: boat
category: person
category: person
category: person
category: tie
category: boat
category: boat
category: person
category: elephant
category: backpack
category: boat
category: boat
category: umbrella
category: boat
category: person
category: boat
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it person?
a: Yes
q: is it one on elephant?
a: No
q: is it one of the 4 near elephant?
a: Yes
q: is it leftmost one in red hat?
a: Yes