Input (grade 13): In 1975, the civil war in Lebanon forced the family to move to their ancestral home in Bassouriyeh, where Hasan Nasrallah completed his secondary education at the public school of Sour (Tyre).
Output (grade 6): The civil war in 1975 caused his family to move to their old home in Bassouriyeh. There, he finished his secondary education at the public school in Tyre.