Objects in the image:
category: train
category: backpack
category: person
category: suitcase
category: person
category: train
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the person on the left standing alone?
a: No
q: is it the person wearing the green jacket?
a: No
q: is it the person next to them with the light brown jacket?
a: No
q: is it the person in the background with the blue jacket?
a: Yes