What are the keywords in the following sentence? fireworks light up the sky above a city as part of celebrations .
celebration, city, firework

What are the keywords in the following sentence? tourist attraction guarded by soldiers
attraction, guard, soldier

What are the keywords in the following sentence? the horse of a brown color eats the dried up grass on a glade
color, dry, eat, glade, horse

What are the keywords in the following sentence? a train is arriving to a station in the day
day, station, train