What are the keywords in the following sentence? A skateboarder grabs his skateboard during a stunt in a long half pipe.
grab, skateboarder, stunt

What are the keywords in the following sentence? An old steam engine has black smoke coming from it.
come, engine, smoke

What are the keywords in the following sentence? sunlight coming through trees in an autumnal forest
come, sunlight, tree

What are the keywords in the following sentence? icicles hang as trains stay at the railway station .
station, stay, train