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

Guessing-game dialogue about one of the objects:
q: the train .?
a: No
q: person ..?
a: Yes
q: inside the train?
a: Yes
q: seen through the window on the right side?
a: Yes
q: one of the two in front?
a: Yes
q: the right one?
a: No
q: the left one?
a: Yes