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: Nancy was walking to her interview. Sentence2: She tried not to get any strains on her outfit. Sentence3: However, she tripped on a crack on the sidewalk. Sentence4: When she got up, she realized that her shirt had a large stain.
During the interview, she covered it up with her hands.