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: Henderson the Rain King. Sentence 1: I read Henderson the Rain King this week. Sentence 2: The book was in new condition. Sentence 3: I put it up on Amazon for sale as used. Sentence 4: It sold in a day, at half price. Choices: a. I was glad to partly recoup some of my book expenses. b. The snakes swam off really fast, soon after, we left.

Ex Output:
b

Ex Input:
Title: Cigarette punishment. Sentence 1: Ron's father told him not to start smoking. Sentence 2: Ron smoked behind his father's back anyways. Sentence 3: His father caught him. Sentence 4: He made him eat the whole pack. Choices: a. Ron never smoked again. b. I also sent a photo to the store but got no response.

Ex Output:
b

Ex Input:
Title: Systematic Abuse. Sentence 1: Wendy worked in the ER of Saint Thomas More hospital. Sentence 2: Many people would come in with trivial complaints. Sentence 3: Their children might have a bug bite or the slightest of fevers. Sentence 4: Wendy felt herself growing more and more detached. Choices: a. The next day I was very tired. b. She hated they'd buy cigarettes instead of medicine for theirs kids.

Ex Output:
a