What are the keywords in the following sentence? woman consoling a crying female friend at home
cry, friend, home

What are the keywords in the following sentence? time lapse clouds roll over green hills in the distance
distance, hill, roll

What are the keywords in the following sentence? A cafeteria meal of salad, vegetable pizza and apple juice on a plastic tray
meal, pizza, salad, tray

What are the keywords in the following sentence? A baby zebra being fed by its mother.
feed, mother, zebra