Assertion: abbasid caliph | /r/AtLocation | pilgrimage
Facets:
value: at mecca
type: LOCATION
Source sentences:
text: The heads of the main Abbasid leaders were cut off, preserved in salt, identifying tags pinned to their ears, and then bundled together in a gruesome package and sent to the Abbasid caliph, who was on pilgrimage at Mecca.