Question: Mansur al-Atrash, was a Syrian politician and journalist, during the period of the United Arab Republic (1958–61), Atrash became a strong supporter of Egyptian president and which pan-Arab leader, who was the second President of Egypt, serving from 1956 until his death?
Sentence (from "Mansur al-Atrash"): Together with fellow university students, Atrash became a founding member of the Ba'ath Party and its Syrian regional branch in 1947.
Relevant evidence: No