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: My school was pretty stingy when it came to fun activities. Sentence 2: It was announced that there would be a field trip, such excitement! Sentence 3: Except it came out that we'd be going to the water treatment plant. Sentence 4: Not only that, we'd have to walk the whole way there! Sentence 5: In the end it turned out my only field trip was a pretty crappy one. Choices: a. A Crappy Field Trip. b. Vet's Life.
Output:
a