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: Sara went to a concert with her friends. Sentence 2: They had good tickets but there were many tall people in front. Sentence 3: They stood on chairs to see the stage. Sentence 4: The ushers told them to get down. Sentence 5: Sara was disappointed that they could not see the stage well. Choices: a. Guitar Trouble. b. Concert.

b