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: John was diagnosed with bone cancer. Sentence2: He was sad and felt defeated. Sentence3: But, he decided to enroll in chemotherapy and fight the disease. Sentence4: He struggled for two years to overcome cancer.
Example Output: John eventually beat the cancer.

Example Input: Sentence1: Kelly and her mother took a trip to the lighthouse. Sentence2: They walked up all the long flights of stairs. Sentence3: When they reached the top it was amazing. Sentence4: They couldn't believe the view.
Example Output: Jelly didn't want to get down.

Example Input: Sentence1: Anna could not swim. Sentence2: She decided it was time to learn. Sentence3: She signed up for a class at the pool. Sentence4: She began by learning slow, easy strokes.
Example Output:
Soon she was swimming quickly and expertly!