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: Annie had cut scores of squares and stacked them by color. Sentence 2: She was ready to start sewing the fabric squares together. Sentence 3: The task seemed overwhelming. Sentence 4: She paired the squares together and began to sew. Sentence 5: At the end of an hour, Annie had a string of squares sewn together. Choices: a. Summer in Italy. b. Sewing.
b