What are the keywords in the following sentence? a curved wall in this apartment hides a fully stocked bar
apartment, curve, wall

What are the keywords in the following sentence? floating island with tree and grasses .
grass, island, tree

What are the keywords in the following sentence? An interesting and old fashioned type of time piece on the wall.
piece, type, wall

What are the keywords in the following sentence? pastries on a serving dish
dish, pastry, serve