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: Jamie notices that he has gained weight over the last few months. Sentence 2: He decides he needs to start exercising more. Sentence 3: He puts on a pair of sneakers and goes for a run in his neighborhood. Sentence 4: When he is done he feels exhausted. Sentence 5: However, he feels very happy to be getting in better shape. Choices: a. Jamie Goes For A Run. b. Ascending Asgaard.

a