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

Guessing-game dialogue about one of the objects:
q: Is it a sign?
a: No
q: Is it a window?
a: No
q: Is it on the train?
a: No
q: Is it one of the light poles?
a: No
q: Is it yellow and black?
a: No
q: Is it the train trails?
a: No
q: Is it a person?
a: No
q: is it one of the lights?
a: No
q: is it the suitcase?
a: No
q: is it the ticket booth?
a: No
q: is it an advertisement?
a: No
q: is it on the right?
a: No
q: Is it on the left?
a: Yes
q: is it blue?
a: No
q: is it the stairs?
a: No
q: is it the trash can?
a: No
q: Is it a piece of clothing?
a: No
q: Is it a picture?
a: No
q: is it part of the building?
a: No
q: does it contain words?
a: Yes
q: Does it have "Ipad" on it?
a: No
q: Does it say "thalys"?
a: Yes