What are the keywords in the following sentence? A fighter jet has it's landing gear down while in flight.
flight, gear, jet, land

What are the keywords in the following sentence? A woman checking her food in the oven.
check, food, oven

What are the keywords in the following sentence? A red train on a track near a covered area.
area, cover, track, train

What are the keywords in the following sentence? flight makes emergency landing after smoke in the cockpit
cockpit, landing, smoke