What are the keywords in the following sentence? the north facing facade with fewer windows to save energy .
energy, save, window

What are the keywords in the following sentence? original way to furnish the living room in the apartment
apartment, room, way

What are the keywords in the following sentence? a worker looks on as a container ship is loaded in the port
load, ship, worker

What are the keywords in the following sentence? fire burning on the boat in offshore oil and gas
boat, burn, fire