What are the keywords in the following sentence? a grizzly bear before it goes to its den to sleep until spring .
bear, den, sleep

What are the keywords in the following sentence? a fishing boat at anchor during a winter storm off island on west coast
anchor, boat, storm

What are the keywords in the following sentence? fluffy clouds quickly moving on the sky over dry grass in desert
cloud, grass, move, sky

What are the keywords in the following sentence? love this piece of dark heavy furniture against the white .
furniture, love, white