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: Hillary's husband was the President of the United States. Sentence 2: After his term ended, she decided she wanted to get into politics. Sentence 3: She was elected as a senator. Sentence 4: She took her role as a senator very seriously and  did great. Sentence 5: Now, Hillary is running for President herself. Choices: a. Proposal. b. Becoming a Politician.

b