Given the task definition and input, reply with output. 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: The Clarke family was having a new baby girl in late October. Sentence 2: They asked their three oldest kids to pick out name for the new baby. Sentence 3: All three selected the name Winnie Elaine Clarke. Sentence 4: When the new baby finally arrived the children were excited. Sentence 5: The entire family would later only call her by the nickname Win. Choices: a. New Name. b. Tie dye.
a