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: I waited near my class before 10 minutes before it started. Sentence 2: When I placed my water bottle in my bag, the cap fell loose. Sentence 3: Some water soaked my lab notebook and other papers. Sentence 4: I quickly took it out. Sentence 5: Since my lab notebook was ruined, I had to throw it away. Choices: a. Breaking up. b. Bad Luck in an Instant.

Output: b

Input: Consider Input: Sentence 1: The cat meowed. Sentence 2: The man thought it wanted food. Sentence 3: The man fed the cat. Sentence 4: The cat kept meowing. Sentence 5: The man realized the cat wanted to play. Choices: a. Play. b. Choriko Goes Berserk.

Output: a

Input: Consider Input: Sentence 1: Bill was at a stop light. Sentence 2: The light was on red. Sentence 3: Billy began to look around while waiting. Sentence 4: He suddenly heard a horn behind him. Sentence 5: The light had turned green. Choices: a. Seeing a fox. b. Red Light.
Output: b