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: Long day. Sentence 1: It was a very long day. Sentence 2: Lily was kind of antsy. Sentence 3: She wanted to get her shots over with. Sentence 4: She had to get it at the doctors. Choices: a. They ordered take out instead of the burnt food. b. Lily was kind of irritated.

a