What are the keywords in the following sentence? lightning hitting a skyscraper at twilight .
hit, lightning, skyscraper

What are the keywords in the following sentence? would really like to try a skirt with this cut .
cut, like, skirt

What are the keywords in the following sentence? young man working in the garden discovering a nut
discover, garden, work

What are the keywords in the following sentence? workers on the construction of venues
construction, venue, worker