What are the keywords in the following sentence? christmas wreath hung on a wall
hang, wall, wreath

What are the keywords in the following sentence? building function initiated contest in industry
building, function, industry

What are the keywords in the following sentence? flowers bring the brightness and scents of spring into the home .
brightness, bring, home

What are the keywords in the following sentence? detail of a window in gothic style of an old palace
detail, style, window