Assertion: onion | /r/MadeOf | sulfur compounds
Facets:
Source sentences:
text: Onions contain sulfur compounds.
text: It contains sulfuric compounds and quercetin, and minerals such as magnesium, calcium, potassium, sodium, selenium, and phosphorus.
text: Onions contain a number of sulfur compounds that give them their pungent smell.
text: Onions do contain sulfur compounds and were used in some cultures for medical purposes, but the effectiveness of these treatments is not significant.