Assertion: pika | /r/HasProperty | pest
Facets:
value: on the tibetan plateau
type: LOCATION
value: given the high densities
type: CAUSE
value: by some in china
type: OTHER
Source sentences:
text: Pikas have been considered by some in China to be pests.
text: Most pikas live in areas far away from people, yet, given the high densities reached by some burrowing pikas, they have been considered pests on the Tibetan plateau, where pikas are thought to reduce forage for domestic livestock and to damage grasslands.