Esther Is an Events Promoter

Esther is an events promoter. She advertises that 'John Legend' will be performing at a concert. Tickets are sold out in a matter of hours. On the night of the concert, the famous singer John Legend does not perform. Instead, another man named John Legend sings for the crowd. Has Esther breached the ACL?

A) No, because Esther has told the truth.
B) Yes, because Esther has engaged in unconscionable conduct.
C) Yes, Esther has engaged in misleading or deceptive conduct.
D) Yes, Esther has engaged in pyramid selling.