What are the keywords in the following sentence? A white Samsung microwave oven installed into a natural wood kitchen cabinet.
cabinet, instal, microwave, oven

What are the keywords in the following sentence? a red train with yellow front and yellow stripe down the side
side, stripe, train

What are the keywords in the following sentence? north wall mosaics depicting scenes from poetry book in the medieval cathedral
book, depict, scene

What are the keywords in the following sentence? soldiers in vehicles protecting the boundaries of the airport .
airport, soldier, vehicle