Assertion: smoke's chemical | /r/HasProperty | certain poisonous
Facets:
Source sentences:
text: However, if the smoke contains certain poisonous chemicals or is unusually dense or if inhalation is prolonged, serious problems can develop.
text: Chemicals released from burned materials such as carbon monoxide, carbon dioxide and cyanide are dangerous and poisonous for your pet.
text: However, if the smoke contains certain poisonous chemicals or is unusually dense or if inhalation is prolonged, serious problems can develop.