You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: The incident caused him to turn a new leaf.
Solution: He is happy now.
Why? As mentioned in last sentence, the incident turned a new leaf to Rick's life; this part completes the story properly.

New input: Sentence1: Christine's eyesight was starting to become poor. Sentence2: She didn't want to wear glasses though. Sentence3: Christine's mom told her that there were other options available. Sentence4: Christine went to see her eye doctor.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Now Christine wears contact lenses.