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

Guessing-game dialogue about one of the objects:
q: is it the train?
a: No
q: is it a person?
a: Yes
q: i see 3 way back... one of those black figures in middle of picture?
a: Yes
q: Is it yes for left, no for middle, and no answer for right?
a: Yes