Assertion: yak | /r/CapableOf | migrate into the songpan grasslands
Facets:
value: to the east
type: LOCATION
value: from the bayan kala mountains
type: LOCATION
Source sentences:
text: To the east, yak migrated from the Bayan Kala mountains into the Songpan grasslands (located in what are now the Aba, Ruoergai and Hongyuan counties of Sichuan province) and into the Danba mountains.