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'.

Example Input: Sentence 1: The hole was round and smooth. Sentence 2: Closer looks provided more insight. Sentence 3: The hole was chiseled. Sentence 4: The plastic had grooves. Sentence 5: There were tiny plastic strands. Choices: a. Hole. b. Christmas Morning.
Example Output: a

Example Input: Sentence 1: Tom wanted to pull a prank. Sentence 2: He saw his sister was sleeping. Sentence 3: He went in her room and cut her hair. Sentence 4: He thought it was funny. Sentence 5: His sister was horrified. Choices: a. Talent Show. b. Little prank.
Example Output: b

Example Input: Sentence 1: Linda loved to make ice cream. Sentence 2: She went to the store to pick up everything she needed. Sentence 3: Linda started making the ice cream after she got home. Sentence 4: After an hour or so the ice cream maker was finished. Sentence 5: Linda smiled as she tried the first bite of fresh ice cream. Choices: a. Butterflies. b. Homemade Ice Cream.
Example Output:
b