Which TWO reasons support the answer about the correct purpose?

1. Protesters angrily  waved slogans at the president's car as it raced past on the way to the airport.

2. We're asking people to  sign a petition demanding investment in the local sports facilities.

3. Henry decided to join in  on the demonstration, which marched across the city to the parliament  building.

4. We are going to  attend a rally in the town centre to demand equal pay.

5. Young people are being urged to  vote in next year's elections. It's important to express our views  in the ballot box.

6 I intend to  run in this year's election for student representative. I hope you will elect me.