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: Norma and Robert had only planned to have three children. Sentence 2: After that either she would get a tubal ligation or he a vasectomy. Sentence 3: But they neither or them ever got around to it after the third child. Sentence 4: One day Norma had a suspicion confirmed by a positive pregnancy test. Sentence 5: An ultrasound confirmed not only was she pregnant but it was twins! Choices: a. Old Currency. b. Plus.
Example Output: b

Example Input: Sentence 1: Mark's grandparents owned a farm. Sentence 2: Every summer he would travel and stay with them. Sentence 3: He loved helping out on the farm. Sentence 4: He didn't even mind getting up super early to start the day. Sentence 5: When he grew up he started his own farm. Choices: a. Farming. b. Paws.
Example Output: a

Example Input: Sentence 1: Kate wanted to spray paint her bike. Sentence 2: She put newspaper on the garage floor before she began. Sentence 3: When she was done, she cleaned up the newspaper. Sentence 4: There was paint on the floor where the newspaper had moved. Sentence 5: Kate knew she was in a lot of trouble. Choices: a. Good Boy. b. In Trouble.
Example Output:
b