Which of the following does NOT constitute a way to terminate a contract?

Renegotiation does not constitute a way to terminate a contract; rather, it is a method of modifying the terms of an existing contract. When parties engage in renegotiation, they are essentially seeking to change certain aspects—such as price, deadlines, or obligations—rather than ending the agreement. This contrasts with the other terms mentioned.

Frustration refers to circumstances where, through no fault of either party, the contract cannot be fulfilled, such as unforeseen events that make performance impossible. Performance occurs when all parties fulfill their contractual obligations, effectively ending the contract as agreed. Breach of contract happens when one party fails to perform their duties under the contract, which can lead to termination, depending on the severity and agreements within the contract.

In summary, whereas frustration, performance, and breach can all lead to the termination of a contract, renegotiation serves as a means to alter and continue the contractual relationship, thus distinguishing it from the other options.