What are the keywords in the following sentence? about the book ... novelist is the author .
author, book, novelist

What are the keywords in the following sentence? the halo on builder in this stained glass window was glowing because of the position of the sun
builder, halo, stain, window

What are the keywords in the following sentence? monarch butterfly getting nectar from a flower out in a field .
butterfly, field, flower

What are the keywords in the following sentence? there are several parks including a city .
city, include, park