Assertion: fortress's defender | /r/CapableOf | lock the two sides
Facets:
value: in a stalemate
type: TEMPORAL
Source sentences:
text: In the Battle of the Trench, the largely outnumbered defenders of Medina, mainly Muslims led by Islamic prophet Muhammad, dug a trench, which together with Medina's natural fortifications, rendered the confederate cavalry (consisting of horses and camels) useless, locking the two sides in a stalemate.