context: Fountain pen location is not commercial airliner. Mercury location is flordia. Backpack location is not flordia. Desk is made of iron. Fountain pen location is not desk. Room location is house. House location is country. Desk location is room. Backpack location is not country. Desk location is not commercial airliner. Fountain pen location is not this tropical island. Room has a wall and roof.
text: Room location is not country.