Objects in the image:
category: person
category: person
category: train
category: person
category: potted plant
category: person
category: person
category: backpack
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it  a person?
a: Yes
q: is it in the train?
a: Yes
q: is it the driver?
a: No
q: is it the person behind him..in black shirt?
a: No
q: is it next one..behind?
a: No
q: is it the yellow one?
a: Yes