What are the keywords in the following sentence? protestors hold placards after politician was elected as the next president
hold, placard, president, protestor

What are the keywords in the following sentence? portrait of happy mother and daughter playing circling around at the park
circle, daughter, mother, park

What are the keywords in the following sentence? one of the many stained glass windows depicting various biblical scenes inside the cathedral .
cathedral, depict, window

What are the keywords in the following sentence? a train awaits departure in railway station
departure, station, train