You will be given a definition of a task first, then some input of the task.
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.

Title: The Author. Sentence 1: Linda had always loved to read. Sentence 2: Her favorite author was coming into town to give a lecture. Sentence 3: She desperately wanted to go. Sentence 4: She took the day off work and took her book to the bookstore. Choices: a. She didn't speak to him because she didn't want to upset Tom. b. Linda got a signature from her favorite author that day.
Output:
b