Assertion: horse | /r/HasProperty | lost
Facets:
value: during the civil war
type: TEMPORAL
value: unfortunately
type: DEGREE
Source sentences:
text: Later, as Spanish missions were founded on the mainland, horses would eventually be lost or stolen, and proliferated into large herds of feral horses that became known as mustangs.[citation needed]
text: Unfortunately, his horses were lost during the Civil War and have no known purebred Arabian descendants today.