What are the keywords in the following sentence? a city which includes a temple or place of worship and a garden
garden, include, place, temple, worship

What are the keywords in the following sentence? A train on a track blowing out steam.
steam, track, train

What are the keywords in the following sentence? medieval tower and building in the city
building, city, tower

What are the keywords in the following sentence? boat moored on the beach
beach, boat, moor