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

Guessing-game dialogue about one of the objects:
q: is it the train?
a: No
q: is it a person?
a: No
q: the lights?
a: Yes
q: one of the one with a red light on?
a: Yes
q: to the left of that?
a: No
q: is it the red light furthest right?
a: Yes