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: Sadie loves to run through the woods. Sentence 2: Running makes her body feel good. Sentence 3: At school, a PE teacher noticed that Sadie is a fast runner. Sentence 4: The teacher encouraged her to join the track team. Sentence 5: She ran the 1500 and came in first place. Choices: a. The Track Meet. b. good grades.
Example Output: a

Example 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.
Example Output: a

Example Input: Sentence 1: Joseph couldn't stop reading ancient scriptures from his uncle's house. Sentence 2: His uncle had gone missing mysteriously and he wanted to know why. Sentence 3: All he could find was random text babbling about disappearances. Sentence 4: He started talking to himself so people around him began to worry. Sentence 5: He went mad after reading those scriptures and no one knew why. Choices: a. SAlem. b. The Lunatic.
Example Output:
b