What are the keywords in the following sentence? lions sleeping on the grass after big meal
grass, lion, sleep

What are the keywords in the following sentence? aerial view of large ship in the main river around port
port, river, ship, view

What are the keywords in the following sentence? Two book ends shaped like a small brown couch with teddy bears on top of them .
bear, book, top

What are the keywords in the following sentence? Two gazelle and a zebra grazing on lush grass.
gazelle, grass, zebra