Assertion: nitrogen's form | /r/HasProperty | pure
Facets:
Source sentences:
text: Nitrogen is a clear gas that has no smell when it is in its pure form.
text: In its pure form, nitrogen has been used primarily because it doesn’t support moisture or combustion.
text: In its pure form, nitrogen has been used primarily because it doesn’t support moisture or combustion.
text: Nitrogen is a clear gas that has no smell when it is in its pure form.