What are the keywords in the following sentence? A train getting ready to come to crossroads on the track.
crossroad, track, train

What are the keywords in the following sentence? small beach and fishing port with the island on the horizon
beach, island, port

What are the keywords in the following sentence? a man praying at the wailing wall
pray, wail, wall

What are the keywords in the following sentence? female student falls asleep after been reading and studying all day in the library
fall, library, student