What are the keywords in the following sentence? the long yellow sofa could easily double as a twin bed .
bed, double, sofa

What are the keywords in the following sentence? it was built in ad and has been the official residence of the president .
build, president, residence

What are the keywords in the following sentence? A small bathroom with a lot of white tile.
bathroom, lot, tile

What are the keywords in the following sentence? thick sea of fog fills the valleys at sunrise as seen
fill, sunrise, valley