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: Melvin was excited about his day at the beach. Sentence 2: He had packed up his beach towel and sunscreen. Sentence 3: After laying on the beach for a while he jumped in the water. Sentence 4: Unfortunately, he stepped on a jellyfish. Sentence 5: Melvin spent the rest of the day at the first aid station. Choices: a. A jellyfish. b. Books.

Output: a

Input: Consider Input: Sentence 1: Bill's buddy Marty invited him to a sleep over. Sentence 2: Bill and Marty stayed up all night watching horror movies and talking. Sentence 3: They finally fell asleep around 4 in the morning. Sentence 4: The boys slept until noon. Sentence 5: The next day Bill went home and thought about how fun it all was. Choices: a. Tomato. b. Boys Sleepover.

Output: b

Input: Consider Input: Sentence 1: Ed was excited to lose his first tooth. Sentence 2: He was more excited when his mom told him the Tooth Fairy would come. Sentence 3: He carefully put his tooth under his pillow that night. Sentence 4: When he woke up in the morning there was a dollar beneath his pillow. Sentence 5: He couldn't wait to lose another tooth to get more money. Choices: a. Tooth Fairy. b. Exhausting Match.
Output: a