What are the keywords in the following sentence? A room containing a clock, two black stools, and a window with an orange curtain.
contain, curtain, room

What are the keywords in the following sentence? cross on a hill nearly in silhouette in front of white and blue shining light
light, shine, silhouette

What are the keywords in the following sentence? A black singer with short, spiked hair plays guitar and sings, while a bassist plays behind him.
bassist, guitar, singer

What are the keywords in the following sentence? Keepers looking after a family of elephants at the zoo
elephant, family, zoo