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: Haley was a young scientist at a famous laboratory. Sentence2: Every day, she worked hard on her current project. Sentence3: One of her colleagues was secretly stealing her research. Sentence4: Haley discovered this when he published it in a scientific journal.

Haley felt like she had been betrayed.