According to the Uniform Commercial Code $($UCC$),$ which of the following statements

makes a promise or order to pay conditional?

"Borrower may pay without penalty all or a portion of the amount owed earlier than it is due."

"I promise to pay from the corporate account."

"I promise to pay if the following occurs."

"I promise to pay as per the contract for the sale of goods between the parties."

"I promise to pay because I owe the money."