Assertion: bridgehead's line | /r/CapableOf | threaten by attack
Facets:
value: in the jordan valley
type: LOCATION
value: in shea
type: LOCATION
value: seriously
type: MANNER
Source sentences:
text: With their lines of communication seriously threatened by attacks in the Jordan Valley, Shea's and Chaytor's forces withdrew to the Jordan Valley, by 2 April 1918, maintaining the captured bridgeheads.