Read the passage and answer: Throughout history, lighthouses have served as critical navigation aids for ships. Standing tall along dangerous coastlines and harbor entrances, these structures have used various light sources over the centuries — from open fires to oil lamps to electric bulbs. Today, GPS has reduced the navigational importance of lighthouses, but many remain in operation as backup systems and tourist attractions. They continue to be powerful symbols of guidance and safety in maritime culture. What is the best title for this passage?

The best title summarizes the entire passage. This passage covers: (1) historical role of lighthouses, (2) evolution of light sources, (3) modern reduced but continuing role, (4) cultural symbolism. 'The Role and Evolution of Lighthouses' captures all of this. Distractor analysis: 'How to Build a Lighthouse' — passage doesn't discuss construction; 'GPS Navigation Today' — GPS is mentioned briefly, not the focus; 'Famous Lighthouses of the World' — no specific lighthouses named. Title selection strategy: the title must be broad enough to cover the entire passage but specific enough to indicate the actual content. Too narrow titles miss content; too broad miss specificity. Always check: does this title fit ALL the passage, not just part?