What are the keywords in the following sentence? A mirror and a train at a station.
mirror, station, train

What are the keywords in the following sentence? automobile model will be revealed to the world at show next week
model, reveal, world

What are the keywords in the following sentence? the bear sleeps in the winter in a den
bear, den, winter

What are the keywords in the following sentence? this is the image for the news article titled week game of the week
image, title, week