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: The mom put her baby daughter to sleep. Sentence 2: She went to bed afterwards. Sentence 3: The baby was crying after a couple of hours. Sentence 4: She didn't stop although the mom fed her. Sentence 5: She ended up with no sleep that night. Choices: a. New Car. b. Late Disturbance.

b