Instructions: 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.
Input: Title: My Dog. Sentence 1: I owned a mammoth breed dog once, his name was Remy. Sentence 2: He lived with me for 10 years and traveled everywhere, even overseas. Sentence 3: Having a dog that weighs as much as a man is very expensive. Sentence 4: He used to eat an entire giant size bag of dog food every week. Choices: a. He died a few years ago, but I'll never forget him and our adventures. b. She ended up winning a gold medal along with her team.
Output:
b