What are the keywords in the following sentence? festival returned for the first time in years .
festival, time, year

What are the keywords in the following sentence? boxer punches professional boxer during their fight .
boxer, fight, punch

What are the keywords in the following sentence? this downed tree was along side the trail .
down, trail, tree

What are the keywords in the following sentence? politician waves to the audience as he arrives at a campaign event on sunday
arrive, audience, wave