Assertion: tungsten | /r/HasProperty | occurring element
Facets:
value: naturally
type: MANNER
Source sentences:
text: Tungsten is a naturally occurring element.
text: Tungsten , also known as wolframis, is a naturally occurring chemical element.
text: Tungsten is a naturally occurring element.
text: Tungsten is a naturally occurring element that, in most environments, is a solid.
text: Tungsten is a naturally occurring element.