When Is Intoxication a Defense to the Formation of a Contract

When is intoxication a defense to the formation of a contract?

A) Intoxication is never a defense to the formation of a contract.
B) Intoxication is always a defense to the formation of a contract.
C) Intoxication is a defense to the formation of a contract if the non-intoxicated party contributed to the intoxication of the other party.
D) Intoxication is a defense to the formation of a contract if the other party knew that the intoxicated party was impaired and that due to the intoxication was unable to understand the nature of the transaction.
E) Intoxication is a defense to the formation of a contract if both parties were intoxicated at the time they entered into the contract.