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.

Example Input: Sentence1: Sally gets a new bike for her birthday. Sentence2: She is sad though because she does not know how to ride it. Sentence3: Her father teaches her how to ride it. Sentence4: After a couple weeks of practice, Sally can ride her bike on her own.
Example Output: She now rides her bike everywhere she goes.

Example Input: Sentence1: Nancy and her daughter Bo were getting ready to leave for Girl Scouts. Sentence2: Nancy reminded her daughter to grab a scout worksheet she needed. Sentence3: When they arrived at Girl Scouts, she found out Bo forgot it. Sentence4: Nancy overheard Bo blaming her for forgetting the sheet.
Example Output: Ironically, Nancy learned the sheet was on Learning Independence.

Example Input: Sentence1: Tim got a new skateboard. Sentence2: The first time he used it he fell. Sentence3: He kept slipping and falling all week. Sentence4: He was almost going to give up.
Example Output:
Finally after a month he was a great skateboarder.