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

Guessing-game dialogue about one of the objects:
q: it is a person?
a: No
q: is it touching the ground?
a: No
q: the bridge?
a: No
q: on the right side of the picture?
a: Yes
q: one of the screens?
a: No
q: vegetation ??
a: N/A
q: the bush on the right?
a: No
q: related to the people waiting for the train?
a: Yes
q: sticks held by man in blue?
a: No
q: his bag?
a: No
q: some of his clothing?
a: No
q: related to person in grey?
a: Yes
q: is it the green bag?
a: No
q: the black backpack?
a: Yes