What are the keywords in the following sentence? an empty picnic blanket on green grass under blue sky with cloud .
blanket, grass, sky

What are the keywords in the following sentence? blizzard with snowflakes and flaws in the street in the winter against a tree
snowflake, tree, winter

What are the keywords in the following sentence? the curtains are a gracefully embroidered motif featuring floral and stem pattern on faux silk .
embroider, feature, pattern

What are the keywords in the following sentence? silhouette of a small boy running after his mother
mother, run, silhouette