What are the keywords in the following sentence? residents in the neighborhood constructed high walls to secure their homes inside .
construct, neighborhood, resident

What are the keywords in the following sentence? a small waterfall with a thin flow of water in the summer in a tropical forest
forest, summer, waterfall

What are the keywords in the following sentence? A stuffed bear is set in a baby's high chair.
bear, chair, set, stuff

What are the keywords in the following sentence? smiling sun with glasses in the sky
glass, smile, sun