Definition: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Input: Sentence1: Sadie brushed her teeth regularly. Sentence2: In spite of her efforts, one day she experienced a toothache. Sentence3: The pain didn't abate, and Sadie knew she probably had a cavity. Sentence4: Her friends urged her to go to the dentist for an examination.

Sadie hated the cost of going but knew the treatment was necessary.