Assertion: smoke | /r/MadeOf | harmful substances
Facets:
Source sentences:
text: That's because the smoke that burns off the end of a cigar or cigarette contains more harmful substances (tar, carbon monoxide, nicotine, and others) than the smoke inhaled by the smoker.
text: The smoke that burns off the end of a cigarette or cigar actually contains more harmful substances than the smoke inhaled by the smoker, as there is no filter it must pass through.