Assertion: giant panda's number | /r/HasProperty | due
Facets:
value: to better counting methods
type: CAUSE
value: to true growth
type: CAUSE
Source sentences:
text: Whether the higher number is due to better counting methods or true growth is unknown, but in 2016 the International Union for Conservation of Nature went so far as to downgrade the giant panda from “endangered” to “vulnerable.