Assertion: carbon black | /r/IsA | a group 2b carcinogen
Facets:
Source sentences:
text: Carbon black is considered possibly carcinogenic to humans and classified as a Group 2B carcinogen because there is sufficient evidence in experimental animals with inadequate evidence in human epidemiological studies.
text: Carbon black is considered possibly carcinogenic to humans and classified as a Group 2B carcinogen, because there is sufficient evidence in experimental animals with inadequate evidence in human epidemiological studies.