What are the keywords in the following sentence? smoke from chimneys at a power station
chimney, smoke, station

What are the keywords in the following sentence? thanksgiving roasted beets and butternut squash on a serving dish
dish, serve, squash

What are the keywords in the following sentence? sunrise by the beach with boat
beach, boat, sunrise

What are the keywords in the following sentence? A train engine and several cars moving along a track in a city.
car, engine, move