What are the keywords in the following sentence? Vegetable tray that contains carrots, cucumbers, peppers, tomatoes and celery
carrot, celery, cucumber, tray

What are the keywords in the following sentence? fireworks coming from various part of the city visible
city, firework, part

What are the keywords in the following sentence? mushrooms grow off a birch tree
grow, mushroom, tree

What are the keywords in the following sentence? snail crawled slowly along the edge of wet leaf
crawl, edge, snail