What are the keywords in the following sentence? you will look amazing with these frugal beauty tips every woman needs to know .
know, look, need

What are the keywords in the following sentence? A pair of zebra's leaned over eating grass.
eat, grass, lean

What are the keywords in the following sentence? commuters travelling up and down the escalators at an underground station
commuter, escalator, travel

What are the keywords in the following sentence? The cat is licking the icing off of the cake.
cake, icing, lick