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: Martha wanted to find some seashells for her mother. Sentence 2: She drove towards the beach hoping to find some. Sentence 3: The beach was closed due to a big thunderstorm. Sentence 4: Martha bought some fake seashells at a craft store. Sentence 5: Her mother was still very happy. Choices: a. New Phone Mistake. b. Martha's Seashells.

b