What are the keywords in the following sentence? Someone shifts his gaze to the ship's floor.
floor, gaze, shift

What are the keywords in the following sentence? firefighters work to extinguish a fire at a home as they battle a wildfire
battle, extinguish, fire, firefighter, wildfire

What are the keywords in the following sentence? a passenger jet departs airport amongst some clouds and blue sky
airport, cloud, sky

What are the keywords in the following sentence? a candle burning at both ends
burn, candle, end