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? dolphin and fish in the sea
dolphin, fish, sea

What are the keywords in the following sentence? stained glass windows this window is somewhat similar to what was in my childhood craftsman style home .
glass, style, window

What are the keywords in the following sentence? old tree in a forest with rays of lights illuminating the scene
forest, ray, tree