What are the keywords in the following sentence? the house is set in acres of prime land
acre, house, land, set

What are the keywords in the following sentence? an overgrown meadow full of wild flowers and different species of butterflies
butterfly, flower, specie

What are the keywords in the following sentence? The dog is rounding up a herd of sheep.
dog, herd, sheep

What are the keywords in the following sentence? african elephant silhouetted by the sunrise
elephant, silhouette, sunrise