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'.

Sentence 1: Our niece had day surgery last week. Sentence 2: She had some skin tumors removed. Sentence 3: She had a biopsy months ago and just had the procedure done. Sentence 4: We sent her get well flowers. Sentence 5: She emailed a thank you note. Choices: a. Clint. b. Surgery.
b