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: Almonds. Sentence 1: Olive was eating a chocolate covered almond when she heard a crack. Sentence 2: Her tooth had chipped where she had bit the almond. Sentence 3: She threw all her almonds away and swore never to eat another one. Sentence 4: But when her friend offered her one, she ate it. Choices: a. I ended up buying more. b. When she heard a crack again, she panicked and threw the nut away.
a