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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they on the white boat?
a: No
q: are they on the blue and yellow thing or standing in front of it?
a: Yes
q: are they wearing black?
a: No
q: are they wearing a blue shirt?
a: No
q: are they wearing white?
a: Yes
q: is it the 3rd man wearing a white shirt standing in the line of men in front of the blue and yellow thing?
a: No
q: is it the first man in the line?
a: Yes