What are the keywords in the following sentence? An old building has a clock tower and bell.
bell, building, tower

What are the keywords in the following sentence? A living room with several pieces of furniture including a flower sofa.
piece, room, sofa

What are the keywords in the following sentence? Two giraffes eating off the top of trees together.
eat, giraffe, top, tree

What are the keywords in the following sentence? a train arrives in station as a lady with young children watches
arrive, station, watch