What are the keywords in the following sentence? An elephant walks around his exhibit at the zoo
exhibit, walk, zoo

What are the keywords in the following sentence? time lapse of an electricity pylon in front of stars on sky
front, lapse, pylon, sky, star

What are the keywords in the following sentence? fall foliage surrounds a waterfall
foliage, surround, waterfall

What are the keywords in the following sentence? A woman is feeding a newborn a liquid from a small cup.
cup, feed, liquid