Premise: The saintly Omar Ibn el Khattab, second successor to Muhammad and the Muslim conqueror of Jerusalem in a.d. 638, declined an invitation from the Christian Patriarch to pray at the Holy Sepulcher for fear his followers might then want to turn the site into a mosque.

Hypothesis: Omar Ibn el Khattab is the second successor to Muhammad and the Muslim conqueror of Jerusalem.
Relation: entailment