Given the task definition and input, reply with output. 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: Rosa liked to cook spicy foods. Sentence 2: She invited her friend Denny over for dinner. Sentence 3: Rosa served the food and the two sat down. Sentence 4: Denny couldn't eat because the food was too fiery. Sentence 5: Rosy apologized for her seasoning. Choices: a. Hot Stuff. b. Bike crash.
a