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

What are the keywords in the following sentence? tennis tournament champion in action against tennis player in a match
action, champion, player

What are the keywords in the following sentence? mother and adult daughter hugging and smiling at camera in the park on a sunny day
daughter, mother, park, smile

What are the keywords in the following sentence? this property with acres is listed
acre, list, property