You will be given a definition of a task first, then some input 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: Lance was beginning to feel sick. Sentence2: He realized that it was probably because of his diet. Sentence3: He did some reading and decided to fix his eating. Sentence4: For the next few weeks, he stuck to a better diet.
Output:

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
Soon enough, he began to feel healthier.