Assertion: bottled water's fluoride | /r/HasProperty | occurring mineral
Facets:
value: naturally
type: MANNER
Source sentences:
text: Fluoride is a naturally occurring mineral that's been shown to strengthen tooth enamel, and it's found in most commercially available toothpastes and mouthwashes.
text: Fluoride proponents claim fluoride is a naturally occurring substance found in many areas across the US, as such, it must be safe.