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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the train?
a: No
q: is it a sign?
a: No
q: is it on a sign?
a: No
q: is it on the right side of the train?
a: Yes
q: is it orange?
a: No
q: is it a bench?
a: Yes
q: is someone sitting on the bench?
a: No
q: standing in front of it?
a: Yes