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: Consider Input: Sentence 1: Tom found an old case of cookies. Sentence 2: He thought to offer them to his roommates. Sentence 3: He didn't tell them they were stale. Sentence 4: The friends ate them enthusiastically. Sentence 5: Tom laughed to himself. Choices: a. Breakup over politics. b. Stale Cookies.

Output: b

Input: Consider Input: Sentence 1: We used to live near train tracks. Sentence 2: We could hear the horns at times. Sentence 3: I am a train buff and loved the sound. Sentence 4: We moved and I thought we were away from the trains. Sentence 5: Last week I heard train horns from a different railroad. Choices: a. Sample. b. Trains.

Output: b

Input: Consider Input: Sentence 1: Cecilia wanted to watch the Olympics but her TV broke. Sentence 2: As she didn't have any other means to watch, she called her friends. Sentence 3: They made a few tracks in her backyard over the morning. Sentence 4: And in the afternoon they held their own Olympics competing for prizes. Sentence 5: Cecilia won the fastest runner award and was happy with herself. Choices: a. Olympics. b. Bad Interview.
Output: a