Assertion: mustard seed's acid | /r/HasProperty | vinegar
Facets:
value: most often
type: DEGREE
Source sentences:
text: But adding an acid, most often vinegar, sets the reaction in place — this is what happens with horseradish as well.
text: Always add water or a non-acidic liquid first, let the mixture sit for 10 minutes or so, then add the acid (vinegar, verjus, lemon juice, etc).