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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Ex Input:
Title: Online-only. Sentence 1: Phil's bank for his checking account transitioned to online-only. Sentence 2: At first it seemed like a dream come true. Sentence 3: His fees were lower than ever. Sentence 4: The phone lines now operated twenty-four hours a day. Choices: a. Melody felt embarrassed. b. Phil later wished he could change his account status in-person.

Ex Output:
a

Ex Input:
Title: The Plant. Sentence 1: Katie planted a shrub in her yard. Sentence 2: It grew and grew. Sentence 3: Soon it was taller than her! Sentence 4: She pruned it back. Choices: a. The next year, it doubled in size. b. It inspired their next album.

Ex Output:
b

Ex Input:
Title: Santa Claus. Sentence 1: My son was nine when he figured out Santa Claus was not real. Sentence 2: We were at a mall and I saw what he wanted for Xmas. Sentence 3: I sent him to his mom and tried to buy the item. Sentence 4: He saw me buying the toy and laughed. Choices: a. My son is an adult and likes to tell that story. b. He finally took my advice and blew bubbles perfectly.

Ex Output:
b