What are the keywords in the following sentence? big turtle floating in the sea
float, sea, turtle

What are the keywords in the following sentence? The top of a pizza with olives, meet, cheese and tomatoes.
cheese, olive, pizza, top

What are the keywords in the following sentence? religious leader exchanges gifts with noble people as they meet in his private library .
gift, leader, meet

What are the keywords in the following sentence? defender in action during the match .
action, defender, match