Problem: What are the most important words?
looking north up lake as sunlight breaks through the heavy cloud .
Answer: cloud, lake, look

Problem: What are the most important words?
firefighters extinguish fire on a burning portion of building after fire broke out incident
Answer: break, building, burn, fire, firefighter

Problem: What are the most important words?
A man doing fishing by throwing a long fishing rod into the lake very long
Answer:
fishing, lake, rod