What are the keywords in the following sentence? organic foods have been found to not help in the fight against cancer
fight, food, help

What are the keywords in the following sentence? fishing boat parked at the pier
boat, park, pier

What are the keywords in the following sentence? armed force plans to induct aircraft with better specifications known as aircraft model .
aircraft, force, model

What are the keywords in the following sentence? football team manager argues with referee during the match
manager, match, referee