Assertion: alpaca's fleece | /r/HasProperty | one of the most prized
Facets:
value: at the time
type: TEMPORAL
Source sentences:
text: Among the Andean people cloth was currency, and the fleece of the alpaca was one of the most prized.
text: They developed the fleece that at the time was some of the most prized fabric in the world.
text: Among the Andean people cloth was currency, and the fleece of the alpaca was one of the most prized.