Given the task definition and input, reply with output. 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.

Sentence1: Frannie was on a flight. Sentence2: She had a cup of ginger-ale in her lap. Sentence3: Suddenly, the plane hit some turbulence. Sentence4: Her drink spilled all over her.
Luckily, the attendants helped her to clean up.