What are the keywords in the following sentence? poster with happy bald boy celebrating that is cured of cancer over a golden ribbon in the celebration .
celebrate, poster, ribbon

What are the keywords in the following sentence? spring is a good time to look for wild herbs and greens
herb, look, spring

What are the keywords in the following sentence? yawning grey striped tabby cat lying on a rock
cat, lie, stripe

What are the keywords in the following sentence? animal eats leaves of prickly bush .
animal, bush, eat, leave