What are the keywords in the following sentence? supporters continue to wait despite the heavy rain .
continue, rain, wait

What are the keywords in the following sentence? A bathroom has a red circular rug by the toilet.
bathroom, rug, toilet

What are the keywords in the following sentence? mountain shines at last light .
light, mountain, shine

What are the keywords in the following sentence? A refrigerator shelf with an assortment of beer, water and sodas.
beer, shelf, soda, water