What are the keywords in the following sentence? tennis player smashes his racket in frustration during his match against tennis player .
match, player, racket, smash

What are the keywords in the following sentence? A bull runs around an arena containing two matadors with pink cloths.
arena, bull, cloth

What are the keywords in the following sentence? planes struggle to land and take off in the heavy winds .
land, plane, wind

What are the keywords in the following sentence? bee flying around different blossoms collecting pollen on a bright clear day
bee, collect, fly, pollen