Assertion: toothpaste's fluoride | /r/AtLocation | many public water supplies
Facets:
value: because of its benefits for teeth
type: CAUSE
value: to bring fluoride levels
type: PURPOSE
value: for the past 70 years
type: TEMPORAL
Source sentences:
text: Because of its benefits for teeth, fluoride is added to many public water supplies.
text: For the past 70 years, fluoride has been added to public water supplies to bring fluoride levels up to the amount necessary to help prevent tooth decay.
text: Because of its benefits for teeth, fluoride is added to many public water supplies.