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: Sam was driving home when he noticed he was low on gas. Sentence 2: He wasn't anywhere near a gas station. Sentence 3: He decided to drive further out to find one anyway. Sentence 4: Sam had good luck and found one with cheap gas. Sentence 5: He filled up his car. Choices: a. Cheap Gas. b. Peach Cobbler.

Output: a

Input: Consider Input: Sentence 1: Nita noticed that her glasses were getting weaker and weaker. Sentence 2: She scheduled a vision test to be sure. Sentence 3: Sure enough, the eye exam said Nita's eyesight had worsened. Sentence 4: Sighing, Nita ordered new glasses. Sentence 5: Her new ones were much stronger than the originals! Choices: a. Glasses. b. Secret Recipe.

Output: a

Input: Consider Input: Sentence 1: A police officer pulled me over. Sentence 2: He asked to see my papers. Sentence 3: I showed him my license and insurance. Sentence 4: He thanked me for showing him. Sentence 5: He let me go with a warning. Choices: a. Police Officer. b. Test.
Output: a