Jennifer persuades Bank of America to loan money to her friend by orally agreeing to guarantee the loan. In exchange, the friend promises to give her 50% ownership in the company that she establishes with the loan. The bank contacts Jennifer and demands that she pay the loan. Jennifer refuses to repay the loan and is sued by the bank for breach of contract. She raises the statute of frauds as her defense. The bank's best response to that defense is:

The parol evidence doctrine

The statute of frauds

The main purpose or leading object exception