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.
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Question: Title: Wrong Alert. Sentence 1: Sarah walked into library. Sentence 2: The metal detector made a sound as soon as she walked through it. Sentence 3: A security guard pulled her to the side of the detector. Sentence 4: He ran a quick search. Choices: a. He didn't notice anything except her earrings. b. The ceiling did not leak the next time it rained.

Answer: b

Question: Title: Coffee aisle smell. Sentence 1: I was shopping for some coffee at a grocery store. Sentence 2: The grocery store had an aisle that sales coffee. Sentence 3: The aisle smelled really good. Sentence 4: I couldn't tell which coffee was what by the smell. Choices: a. John took the puppy home with him. b. I ended up grabbing a variety of coffee bags.

Answer: a

Question: Title: Popped Button. Sentence 1: The button had popped off of Bella's jeans. Sentence 2: She really liked the jeans. Sentence 3: Bella used a safety pin to fasten them temporarily. Sentence 4: Bella bought a button to fix the jeans. Choices: a. She paid him back when she returned to work. b. Eventually Bella fixed the jeans.

Answer:
a