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: Olivia woke up in the middle of the night again. Sentence 2: She tried to fall back asleep without success. Sentence 3: So she made herself a cup of chamomile tea. Sentence 4: When it was ready, she sipped it with her eyes half-closed. Sentence 5: And she went back to sleep easily once she was done. Choices: a. Marines. b. Half awake.

b