Definition: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: Ella set a personal challenge for herself. Sentence 2: She tried to spend the whole day not talking. Sentence 3: It was soon apparent it was harder than she thought. Sentence 4: Ella eventually resorted to writing every time she needed something. Sentence 5: The next day, Ella was glad she could talk again. Choices: a. Beeping. b. Silence.

b