What are the keywords in the following sentence? tree rising to the sky
rise, sky, tree

What are the keywords in the following sentence? There are children building a frame for a structure.
build, frame, structure

What are the keywords in the following sentence? a photo shows several of floating wind turbines surrounded by ships at dusk .
dusk, float, ship, surround

What are the keywords in the following sentence? wedding champagne glasses with a bow on a stone railing .
bow, glass, wedding