What are the keywords in the following sentence? an airplane having leather seats and a window with light coming through
airplane, come, window

What are the keywords in the following sentence? bridge needs repairing which will see the road closed
close, repair, road

What are the keywords in the following sentence? An umbrella is set up beside a blanket on a beach.
beach, blanket, set, umbrella

What are the keywords in the following sentence? australian suburb of the most livable cities in the world
city, suburb, world