What are the keywords in the following sentence? last port of call for ship
call, port, ship

What are the keywords in the following sentence? small traditional boat leaving a fishing village traveling towards islands across a calm sea
island, sea, travel

What are the keywords in the following sentence? view looking toward tourist attraction and a city
attraction, city, look, view

What are the keywords in the following sentence? politician delivers a speech during the third day
day, deliver, politician, speech