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

Guessing-game dialogue about one of the objects:
q: is it boat?
a: No
q: is it related to boat?
a: No
q: Is it a building?
a: No
q: is it sign board?
a: No
q: is it one of the pillar?
a: No
q: is it inside boat?
a: Yes
q: is it a person?
a: Yes
q: starting from right. is it 1st?
a: No
q: is it 2?
a: No
q: is it 3?
a: No
q: is it 4?
a: No
q: is it the driver?
a: No
q: Are there four people in the boat besides the driver?
a: No