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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it in left?
a: Yes
q: is walking in back?
a: No
q: is inside the train?
a: No
q: is in walking?
a: Yes
q: is it front one in that?
a: Yes