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

Guessing-game dialogue about one of the objects:
q: is it front?
a: N/A
q: is it person?
a: Yes
q: i in right?
a: N/A
q: is in train?
a: Yes
q: is front one?
a: Yes
q: Is it the first from front near the driver seat?
a: Yes