Complex sentence: However, Janie cannot erase the picture on the milk carton or the memories of another family out of her mind and proceeds to research the Jennie Spring kidnapping; she arrives at the conclusion that her parents might have actually kidnapped her.
Split into simpler sentences: However, Janie cannot get the picture on the milk carton or the memories of another family out of her mind. She comes to the conclusion that her parents might have actually kidnapped her.