What are the keywords in the following sentence? actor strikes a pose at red carpet of awards
award, carpet, pose, strike

What are the keywords in the following sentence? a barge and tugboat in harbor
barge, harbor, tugboat

What are the keywords in the following sentence? sheep grazing on the highlands .
graze, highland, sheep

What are the keywords in the following sentence? static footage of white clouds moving in a blue sky
cloud, footage, sky