What are the keywords in the following sentence? chancellor of politician holds his briefcase which contains the budget
briefcase, budget, chancellor, contain, politician

What are the keywords in the following sentence? Two doctors are having lunch at the cafe.
cafe, doctor, lunch

What are the keywords in the following sentence? clouds descend over the valley
cloud, descend, valley

What are the keywords in the following sentence? shot of a young couple in love embracing each other in a wide open green field during the day
couple, day, embrace, love