What are the keywords in the following sentence? a crazy cool way to wear leggings for fall and winter
legging, way, wear

What are the keywords in the following sentence? the cog is grazing on the grass, he has big horns
grass, graze, horn

What are the keywords in the following sentence? fields of corn to be harvested by the participants later in the day .
corn, day, field, harvest

What are the keywords in the following sentence? A train running across a bridge over a lake.
bridge, lake, run