What are the keywords in the following sentence? combine harvester harvesting the first track of wheat along the woods
harvester, track, wheat

What are the keywords in the following sentence? a lone walker approaches the summit
approach, summit, walker

What are the keywords in the following sentence? dimly lit bathroom with towels hanging beside the toilet
bathroom, toilet, towel

What are the keywords in the following sentence? Two airplanes facing the opposite direction on the runway.
airplane, face, runway