Read the following statements carefully:
1.Pope and Grand Imam of al-Azhar have signed a historic declaration of fraternity, calling for peace between races, religions, and nations.
2.Ali Gomaa is the head of Sunni Muslim's most prestigious seat of learning and Pope Francis is the leader of the world's Catholics.
3.The document pledges that Vatican and al-Azhar will work together to fight extremism.
Which of the above statements is/are correct?