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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they on the train?
a: Yes
q: are they wearing blue?
a: No
q: are they wearing pink?
a: No
q: are they wearing white?
a: Yes