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: Douglas parked his car and walked toward the beach. Sentence 2: He was excited to spend the day in the sand and sun. Sentence 3: Suddenly, the beach bag felt unusually light. Sentence 4: He reached a hand into the bag and his suspicious were confirmed. Sentence 5: Douglas left his beach towel at home. Choices: a. The Towel. b. Annoying Song.
Example Output: a

Example Input: Sentence 1: Robin is an actor. Sentence 2: He has been acting for years. Sentence 3: One evening while filming a movie he snaps. Sentence 4: He walks off the set. Sentence 5: Robin quit acting that day. Choices: a. Robin calls it quits. b. Yellow Hat.
Example Output: a

Example Input: Sentence 1: Tom had a job interview. Sentence 2: He didn't have any nice clothes to wear. Sentence 3: His family helped to buy him a new suit jacket. Sentence 4: It was big and ill fitting. Sentence 5: It gave Tom the courage he needed to get the job, though. Choices: a. Home for Christmas. b. New Jacket.
Example Output:
b