What are the keywords in the following sentence? politician looks at the vista before him during a tour .
look, politician, tour

What are the keywords in the following sentence? boxer throws a left to the head of boxer in the first round of contest
boxer, contest, head, left, throw

What are the keywords in the following sentence? a pan of fresh peaches for sale at an open market
market, pan, sale

What are the keywords in the following sentence? bride walks down the aisle with her parents at ceremony
aisle, bride, ceremony, parent, walk