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: Janice and Mark decided to go to her parent's for dinner. Sentence 2: So they both got dressed in their nice clothes. Sentence 3: They went out to the car, started it up, and took off for her parent's. Sentence 4: Thirty-two minutes later they arrived. Sentence 5: They went into her parent's home and had a fine dinner. Choices: a. Teacher. b. Dinner.
Output:
b