Assertion: buttermilk's amount | /r/HasProperty | needed
Facets:
Source sentences:
text: Cream of tartar can be mixed with regular milk to mimic the acidic environment of this cultured variety of milk, but only a relatively small amount is needed – no more than 2 teaspoons per cup of milk.
text: You need not worry about your calcium requirements any longer as this drink has the required amount one needs.