What are the keywords in the following sentence? A person communicates with sign language as he mouths the words to what he signs.
communicate, language, mouth, word

What are the keywords in the following sentence? industry in the forest during a rainy spring day
day, forest, industry

What are the keywords in the following sentence? people sheltering from wind and sun under umbrellas in a rocky hollow
shelter, sun, umbrella

What are the keywords in the following sentence? set of flat icons with shadow in a circle about health
circle, icon, set, shadow