its a true or false question

5. Andria, an attorney, has a personal injury case which is set for trial next week. She needs a good doctor to testify on behalf of her client, so she contacts Dr. Wood who agrees to testify on behalf of Andria's client at the trial. In return for Dr. Wood's testimony, Andria agrees to pay Dr. Wood $10,000 if they win the case, and $5,000 if they lose. Dr. Wood agrees. The agreement between Andria and Dr. Wood is unenforceable