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'.
Q: Sentence 1: Jerry loves to eat food from other nations. Sentence 2: One day, one of his friends recommended sushi. Sentence 3: Jerry found someone selling sushi on the street and ate it. Sentence 4: He got very sick and had to be rushed to the hospital. Sentence 5: The doctor warned Jerry to never eat sushi again. Choices: a. Under the sea. b. Sushi.
A:
b