What are the keywords in the following sentence? the building will feature a courtyard with a vertical garden .
building, courtyard, feature

What are the keywords in the following sentence? young family on vacation have a lot of fun
family, fun, lot

What are the keywords in the following sentence? A pair of people are playing badminton on a court against another team.
badminton, court, pair

What are the keywords in the following sentence? He crosses to it slowly taking out a key.
cross, key, take