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: My best friend called this morning. Sentence 2: She told me she enrolled her kids in private school. Sentence 3: We talked for a long time about it. Sentence 4: She said she was very tired from raising kids. Sentence 5: She said she might need to go on a vacation, and I agreed. Choices: a. Unexpected Adoption. b. Bestie.

b