The Piano Teacher's Assignment Is Invalid

Each week, i attempt to answer a bar question while cleaning up dog pits and every single carpet that i own in the house. Let's what's this week's question? So thomas, a woman and a piano teacher entered into a contract whereby the teacher would give the woman piano lessons once a week for three months. The parties agree that neither will assign the contract. Which of the following is a true statement? A, the piano teacher's assignment is invalid and the piano teacher breached the contract with the woman. C, the pian teacher's assignments is valid so long as the woman gave permission for the piano teacher to do so. Or d, the Piano teacher's asignment is valid