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: Ella was on her first cruise. Sentence 2: She was so excited to see everything! Sentence 3: But then she became very, very nauseous. Sentence 4: The captain gave her some pills to alleviate the sickness. Sentence 5: Soon, Ella felt much better. Choices: a. Alastair's book.. b. Seasick.

b