Definition: 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: Sentence 1: Tim was using his electric wheelchair. Sentence 2: It ran out of batteries before he got back home. Sentence 3: It was heavy for him to push. Sentence 4: A kind stranger offered help. Sentence 5: They pushed Tim for a good bit. Choices: a. Loud Alarm. b. Out of Batteries.

b