What are the keywords in the following sentence? A sun umbrella opened up protecting a group of chairs from the sun.
chair, protect, umbrella

What are the keywords in the following sentence? evening view of villas along the beach in city
beach, city, view, villa

What are the keywords in the following sentence? bridge leading to a waterfall
bridge, lead, waterfall

What are the keywords in the following sentence? epic flight down into the clouds at morning sunrise .
cloud, flight, sunrise