Assertion: domesticated yak | /r/HasProperty | kept for fiber
Facets:
value: beasts of burden
type: OTHER
value: primarily
type: DEGREE
Source sentences:
text: Beasts of Burden: Domesticated yaks are kept primarily for their milk, fiber, and meat; they are also used as beasts of burden, transporting goods across mountain passes for local farmers and traders as well as in support of climbing and trekking expeditions.
text: Domesticated yaks have been kept for thousands of years, primarily for their milk, fibre and meat, and as beasts of burden.