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: Reilly's Date. Sentence 1: Reilly was feeling very nervous. Sentence 2: His mother had set him up on a blind date with a girl called Sarah. Sentence 3: Reilly didn't know where to go, so he suggested the theater. Sentence 4: Reilly arrived at the theater but Sarah didn't show up. Choices: a. When he went back outside the food was burnt on the grill. b. He was very disappointed and went home without watching the movie.
a