What are the keywords in the following sentence? puerto rican municipality is home to one of the few remaining bioluminescent bays in the world .
bay, home, world

What are the keywords in the following sentence? close up of a large stuffed pasta shell and vegetables on a plate
plate, shell, vegetable

What are the keywords in the following sentence? movement on road along the coast and the mountains
coast, mountain, road

What are the keywords in the following sentence? vintage train will ride the rails
rail, ride, train