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: One day the Denzer family decided to track their ancestry. Sentence 2: Mr Denzer found out he was descended from George Washington. Sentence 3: He was very proud of this. Sentence 4: So were the kids. Sentence 5: Everyone thought it was cool. Choices: a. Becoming a Teacher. b. Family Tree.

b