What are the keywords in the following sentence? buddhist place of worship is a ninth century monument
monument, place, worship

What are the keywords in the following sentence? Shelves of donuts of different colors and varieties.
donut, shelf, variety

What are the keywords in the following sentence? the head and body of the statue were reunited last week .
body, head, reunite, statue

What are the keywords in the following sentence? the second day is dedicated to celebrate the relationship between humans and dogs .
celebrate, day, dog