What are the keywords in the following sentence? a hedgerow and hay field with blue sky and clouds on a cool spring day
cloud, day, field

What are the keywords in the following sentence? Workers are building rails for transportation.
build, transportation, worker

What are the keywords in the following sentence? to reach visitors travel by boat .
boat, travel, visitor

What are the keywords in the following sentence? white subway tile is always the way to go in the bathroom .
bathroom, tile, way