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: Router for Sister-in-Law. Sentence 1: My sister-in-law lives alone. Sentence 2: She used to plug her internet cable into her laptop. Sentence 3: Last month she bought a router. Sentence 4: I had trouble installing my router, but installed hers easily. Choices: a. They all wound up being fake. b. Now she brings her laptop into her bedroom.

Ex Output:
a

Ex Input:
Title: Therapy Time. Sentence 1: The couple had been having problems. Sentence 2: They turned to their therapist to help them. Sentence 3: The woman helped them talk about their problems. Sentence 4: They learned a lot about each other. Choices: a. Their relationship got a lot better. b. The day ended with me falling asleep by 9pm.

Ex Output:
b

Ex Input:
Title: New Bike. Sentence 1: Monica didn't like walking to school. Sentence 2: So she saved up money for a bike. Sentence 3: She was happy about how much shorter her walk to school was. Sentence 4: And eventually, she began to bike to faraway places in her town. Choices: a. Monica was glad she bought a bike. b. Amanda ended up finding many useful kitchenware items.

Ex Output:
b