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: Saul really liked Theresa. Sentence 2: Theresa appeared to not like him. Sentence 3: So he wrote her a letter. Sentence 4: Somehow Theresa found this letter. Sentence 5: She was very happy and impressed at his skills. Choices: a. Catching Up. b. The secret love letter.

b