What are the keywords in the following sentence? a soldier receives treatment at a hospital
hospital, receive, treatment

What are the keywords in the following sentence? A dog lounging comfortably in an arm chair
chair, dog, lounge

What are the keywords in the following sentence? bridge to access contemporary structure and a city
bridge, city, structure

What are the keywords in the following sentence? blooming alpine meadow with biological genus at the front
bloom, genus, meadow