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: Nancy saw an infomercial for an electric toothbrush. Sentence 2: And she ordered it right away. Sentence 3: But after months of using it, her gums began to deteriorate. Sentence 4: She went to the dentist. Sentence 5: But there was nothing that could be done. Choices: a. Electric Toothbrush. b. Trip to Australia.

Output: a

Input: Consider Input: Sentence 1: Every August in Eagle Mountain there is a fly invasion. Sentence 2: Citizens arm their homes with fly strips, traps, and swatters. Sentence 3: The Larson Family armed themselves with a salt gun. Sentence 4: If a fly came close, they would shoot it with salt. Sentence 5: No fly escaped the wrath of the Larson's salt gun. Choices: a. Fly Invasion. b. Too much candy.

Output: a

Input: Consider Input: Sentence 1: Nicole and Michael were playing with the trailer gate. Sentence 2: Suddenly, the gate fell on Nicole's head. Sentence 3: She was rushed to the hospital in an ambulance. Sentence 4: The doctor's examined her and said she be fine. Sentence 5: Nicole and her parents were happy she wasn't injured badly. Choices: a. Home Business. b. Head Injury.
Output: b