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: Jane needed a new kidney. Sentence2: Only Bob was a match. Sentence3: Bob didn't know Jane, but that didn't matter. Sentence4: Bob gave Jane his kidney.

Jane was very thankful of Bob's generosity.