Cilla listened carefully to the Professor's instructions. She carefully undid her Slytherin tie whilst practising the incantation in her head. "Co-lo-va-ria, Co-lo-va-ria, Co-lo-va-ria," ran through Cilla's head. She grabbed her wand and aimed it at her tie that was in her left hand. As she focused on the colour of Gryffindor house she pointed her wand at her tie and said clearly, "Colovaria."

Now Cilla was holding a red tie in her hand. She smiled a small smile.