Somehow... somehow Katie didn't believe that. In fact, a very, very large percentage of Katie didn't believe that. But. Que sera, sera. She probably didn't even want to know the truth, if it were just a story the twins were prone to spreading at the moment. So. "Definitely both." She agreed after pretending to think about it for a moment, grinning playfully.
"Sister?" She finally asked after a moment, smiling kindly at the toddler, bright hair and all.