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'.

Example Input: Sentence 1: Teresa wanted to watch her favorite show on TV. Sentence 2: Her brother wanted to watch his favorite show too. Sentence 3: As they only had one TV, they had to decide who would get their wish. Sentence 4: They flipped a coin and called their choice. Sentence 5: When her brother won, Teresa left the room angry. Choices: a. Tax evasion. b. Flipping coins.
Example Output: b

Example Input: Sentence 1: The Smiths decided to go to their summer home for vacation. Sentence 2: They drove across three states to reach their summer home. Sentence 3: They hiked, fished, swam, barbecued, and shopped while there. Sentence 4: They spent a whole week at their summer home. Sentence 5: They could not stop talking about their vacation for a week. Choices: a. Summer Home. b. Very bad burn.
Example Output: a

Example Input: Sentence 1: Tom was on vacation. Sentence 2: He noticed the water receded a lot further than normal. Sentence 3: Once he realized what was happening the wave had come back. Sentence 4: Tom was swept away with tons of other debris. Sentence 5: His body was never recovered. Choices: a. The Tsunami. b. Stolen bag.
Example Output:
a