What are the keywords in the following sentence? balloons float above the crowd during the parade .
balloon, float, parade

What are the keywords in the following sentence? fossils preserved remains or traces of an organism that lived in the past .
live, organism, past, preserve, trace

What are the keywords in the following sentence? science fiction book by novelist published by publisher .
book, novelist, publish, publisher

What are the keywords in the following sentence? football team clinched football competition with victory over football team in june
competition, team, victory