What are the keywords in the following sentence? Two motorcycle racers go around a sharp corner while leaning very close to the ground
corner, lean, racer

What are the keywords in the following sentence? small brown and yellow moth resting on a green leaf
leaf, moth, rest

What are the keywords in the following sentence? texture of moss and lichen growing on the bark of a tree
bark, grow, texture

What are the keywords in the following sentence? A train engine makes its way down a track.
engine, track, way