What are the keywords in the following sentence? living lobsters for sale at a fish market
live, market, sale

What are the keywords in the following sentence? A pizza on a table with a lot of green on it.
green, lot, table

What are the keywords in the following sentence? There is a bike and a scooter in a room.
bike, room, scooter

What are the keywords in the following sentence? a bathroom with a sink a mirror on the wall
bathroom, mirror, sink, wall