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: Kia signed up for guitar lessons. Sentence 2: At first she was terrible. Sentence 3: She couldn't strum any chords properly! Sentence 4: But after a few weeks she improved. Sentence 5: Soon Kia was an expert guitarist. Choices: a. The crash. b. Strum.
Example Output: b

Example Input: Sentence 1: Jenny was walking home from work. Sentence 2: Her belongings seeped through a hole from her bag. Sentence 3: She didn't noticed that her stuff was falling on the ground. Sentence 4: When she turned around, there was a large trial of her belongings. Sentence 5: The people that were around her helped her pick them up. Choices: a. The Mountains. b. Hole in the Bag.
Example Output: b

Example Input: Sentence 1: Robert walked up his driveway and saw something odd. Sentence 2: It was a large toad sitting right in front of him. Sentence 3: When Robert tried to walk around, the toad leaped in his path. Sentence 4: The toad persisted, until Robert realized what he should do. Sentence 5: With a flying leap he soared over the toad and continued his walk. Choices: a. College. b. Robert and the Toad.
Example Output:
b