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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it wearing black?
a: No
q: is it close?
a: N/A
q: is it wearing grey?
a: No
q: is it wearing white?
a: Yes
q: by the building?
a: N/A