What are the keywords in the following sentence? bright yellow wildflowers growing in the natural grass at reserve
grass, grow, wildflower

What are the keywords in the following sentence? bunch of ripe black grape on the vine in sunny autumn vineyards before harvest
bunch, grape, vine, vineyard

What are the keywords in the following sentence? polished emblem on the radiator of a classic car
car, emblem, radiator

What are the keywords in the following sentence? A small airplane parked on top of a beach.
airplane, park, top