Detailed Instructions: In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Q: Title: Getting To College. Sentence 1: Mary wanted to be a doctor when she was older. Sentence 2: She studied hard everyday to get good grades. Sentence 3: She applied for college and got accepted into a good school. Sentence 4: She got a job to pay for her school. Choices: a. She graduated and was on her way to becoming a doctor. b. Samantha felt much better after using the air purifier.
A:
a