Assertion: tonic's ingredient | /r/HasProperty | quinine
Facets:
Source sentences:
text: The bitterness you taste when you drink tonic water comes from one ingredient: quinine.
text: When you soak the cinchona bark it pulls out an active ingredient called quinine.
text: Tonic water can contain many ingredients, including sweeteners, herbs and spices, but it always starts with one ingredient: quinine.
text: The original ingredients of tonic water were water, soda, gin, and quinine.
text: The ingredient that makes tonic water unique is quinine, which comes from the cinchona tree.