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: Valentine had an estranged daughter he didn't know about. Sentence 2: The mother had told his daughter that he had died during the war. Sentence 3: When the daughter was older she got curious and hired a PI. Sentence 4: He tracked Valentine down and reunited them. Sentence 5: It was a strange but beautiful meeting. Choices: a. Estranged. b. Molly Didn't Forget Where She Came From.

a