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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it man?
a: Yes
q: is it one the platform with yellow line?
a: No
q: is the man with redshirt?
a: No
q: is the man with back bag?
a: No
q: is the man nearthe train door?
a: No