In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Title: Bustin. Sentence 1: May Larker was a paranormal investigator. Sentence 2: She once claimed to have seen a ghost. Sentence 3: People didn't believe her. Sentence 4: May spent her life trying to prove that ghosts were real. Choices: a. I stumbled upon a huge secret field where we could play in peace. b. When May finally passed, she didn't left nothing but a corpse.
b

Title: The Concert. Sentence 1: Robyn's favorite singer of all time is Celine Dion. Sentence 2: One day, her wife surprised her with tickets to a Celine concert. Sentence 3: The night before the concert, she was so excited, she couldn't sleep. Sentence 4: They had great seats and were on their feet much of the concert. Choices: a. Robyn had the time of her life and can't wait to see her again! b. He was asked to become a football coach and he took the job!
a

Title: The Sweater Tear. Sentence 1: Marge was taking graduation photos in her favorite new sweater. Sentence 2: She was leaning against a barn to get all sorts of creative pictures. Sentence 3: Suddenly her arm caught onto the barn wall. Sentence 4: She yanked until suddenly her new sweater ripped. Choices: a. She was so sad until she realized she could always fix it. b. Jane was annoyed by the end.
a