What are the keywords in the following sentence? stained glass window depicting a scene
depict, scene, stain, window

What are the keywords in the following sentence? Train engine on a train track and releasing steam.
engine, track, train

What are the keywords in the following sentence? the car belonging to the family was damaged in a fire at their home .
belong, car, damage

What are the keywords in the following sentence? a bouquet of flowers for the ailing and now closing a city in front .
bouquet, close, flower