You will be given a definition of a task first, then some input of the task.
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: Tom bought a new SUV. Sentence 2: He took it off roading. Sentence 3: It had been raining and was muddy. Sentence 4: Tom got stuck in the mud. Sentence 5: He had to get a truck to pull him out. Choices: a. A trip to the zoo. b. Getting Stuck.
Output:
b