What are the keywords in the following sentence? A man and a woman, sitting at a news desk, discuss the weather.
desk, discuss, weather

What are the keywords in the following sentence? A train pulling out of a tunnel near a tall building.
building, pull, train

What are the keywords in the following sentence? politician stayed at this home .
home, politician, stay

What are the keywords in the following sentence? A cat is fighting for food.
cat, fight, food