Text stimulus (data-table): Table titled 'Coverage and salience changes'. Columns: Issue, Coverage change Weeks 1-2, Survey salience change Weeks 3-4. Rows: School meals, coverage +18, salience +14; Park murals, coverage +4, salience +20 before coverage note; Club fairs, coverage 0, salience 0; Hallway music, coverage -2, salience -6. Note: Positive numbers mean increase. A class tracked media coverage and survey salience for four issues. Which issue provides the strongest agenda-setting clue?