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

Guessing-game dialogue about one of the objects:
q: is it boat?
a: No
q: is it a person?
a: Yes
q: is it in front..closest?
a: N/A
q: Is it one of the two people in the nearest boat?
a: Yes
q: is it in blue shirt?
a: No
q: is it the left one?
a: No