Given the task definition and input, reply with output. 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.

Title: Kiera's Breakfast. Sentence 1: Kiera wanted cereal for breakfast. Sentence 2: She checked the cupboard, but there was none left. Sentence 3: Kiera then went to go to the grocery store to buy more cereal. Sentence 4: When she arrived, she saw that the grocery store had not yet opened. Choices: a. Kiera went back home and decided to have toast for breakfast instead. b. Not enough to make him good, though.
b