What are the keywords in the following sentence? teacher of physics writing a formula on interactive whiteboard .
formula, teacher, whiteboard, write

What are the keywords in the following sentence? Two motorcycles are parked in a parking stall.
motorcycle, park, stall

What are the keywords in the following sentence? Sheep grazing on a green hillside in the grass with trees and small hills in the distance.
grass, graze, sheep, tree

What are the keywords in the following sentence? chef came up with this clever recipe when his local farmer had an abundance of radishes .
chef, come, recipe