Problem: What are the most important words?
protected site is a ruin located in the small town of a city
Answer: city, site, town

Problem: What are the most important words?
automobile model in a race at driving tourist attraction .
Answer: attraction, drive, model

Problem: What are the most important words?
motorists merge from lanes into one as they enter suspension bridge to drive .
Answer:
bridge, enter, lane, merge, motorist