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: The politician was nervous. Sentence 2: The election results would be in in a few minutes. Sentence 3: He thought he was going to win, but he couldn't be sure. Sentence 4: When it was announced, he was thrilled. Sentence 5: He had won! Choices: a. The Movie Tickets. b. The Politician.

b