What are the keywords in the following sentence? Two young purple belts are practicing karate.
belt, karate, practice

What are the keywords in the following sentence? A pile or oranges and apples stacked on top of each other.
apple, orange, stack, top

What are the keywords in the following sentence? luxury boats for sale in the marina
boat, marina, sale

What are the keywords in the following sentence? politician arrived today and addressed the assembled media
address, arrive, politician