Task: Explanation
Input (English): Drinking an entire bottle of wine is usually a necessary condition for getting drunk but not a sufficient one.
(A) Grapes are a necessary ingredient in the process of making wine but not a sufficient ingredient.
(B)Drinking an entire bottle of wine will get most people drunk but one may also get drunk from drinks other than wine.
(C)Wine is typically consumed orally but can be consumed intravenously if one desired.
Output (English): B