What are the keywords in the following sentence? a thatched cottage built out of stone with a beautiful hedge in the garden
build, garden, stone

What are the keywords in the following sentence? A plate topped with donuts covered in frosting.
cover, donut, frosting, plate, top

What are the keywords in the following sentence? An elephant in its pen sticking its trunk outside.
elephant, pen, trunk

What are the keywords in the following sentence? Several bikes parked next to a white van.
bike, park, van