What are the keywords in the following sentence? champagne for a wedding on beach
beach, champagne, wedding

What are the keywords in the following sentence? A small stall with large tiles, a toilet and two plungers
plunger, stall, toilet

What are the keywords in the following sentence? The dish in the pot contains several different kinds of vegetables.
dish, pot, vegetable

What are the keywords in the following sentence? christmas trees clean the air around them and produce loads of oxygen
air, clean, tree