Assertion: kidney stone's calcium | /r/CapableOf | block other substances
Facets:
value: in the right amounts
type: OTHER
value: in the digestive tract
type: LOCATION
Source sentences:
text: In the right amounts, calcium can block other substances in the digestive tract that may cause stones.
text: In the right amounts, calcium can block other substances in the digestive tract that may lead to stones.