Assertion: hydrogen sulfide's odor | /r/HasProperty | foul
Facets:
Source sentences:
text: However, it is important to note that bacteria within the colon can also consume gases, particularly hydrogen, to release gases like methane and certain sulfur-containing gases like hydrogen sulfide that account for the foul odor we associate with gas.
text: The odor of H 2 S is extremely strong and foul, and it can induce tearing of the eyes and symptoms related to overstimulation of the sense of smell, including headache, nausea, or vomiting.