Definition: 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'.
Input: Sentence 1: My friend threw a party. Sentence 2: I wasn't feeling sociable. Sentence 3: I stopped by a park on the way to read for awhile. Sentence 4: I stayed at the party for about a half hour. Sentence 5: I was eager to return home to continue reading. Choices: a. Responsible. b. Bad Guest.

b