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: Unnecessary. Sentence 1: Ian was at a grocery store. Sentence 2: And lots of food he didn't need caught his eye. Sentence 3: He ended up spending money on things he's never eaten before. Sentence 4: And they ended up sitting in his fridge for months. Choices: a. Ian decided to only buy what's necessary next time. b. She dumps her hair in water to put it out.
Output:
b