What are the keywords in the following sentence? add extra storage and seating to your favorite room by building a simple window seat .
add, build, room

What are the keywords in the following sentence? the statue was unveiled by his widow before the match
match, statue, unveil

What are the keywords in the following sentence? silhouette on the beach of a tropical island with a boat in the sea at sunrise
sea, silhouette, sunrise

What are the keywords in the following sentence? Two bears resting on some tan rocks and near trees.
bear, rest, rock, tree