Assertion: noble gas's level | /r/HasProperty | low
Facets:
Source sentences:
text: Most important they are gaseous elements, do not interact with other elements, have a full valence layer, are rare in nature (their level of presence on the planet Earth is low) and create fluorescence.
text: (their level of presence on planet Earth is low) and create fluorescence.
text: However, his driving level is low.