What are the keywords in the following sentence? properties overlook the rail tracks bound for the city
city, overlook, property

What are the keywords in the following sentence? visit waterfall when you explore tourist attraction with kids .
attraction, explore, kid, visit, waterfall

What are the keywords in the following sentence? portrait of a smiling young man with a beard
beard, portrait, smile

What are the keywords in the following sentence? person was substituted and received a warm reception from soccer player and the fans
fan, player, receive, substitute