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: Leftovers. Sentence 1: Tom was really hungry at night. Sentence 2: He didn't want to cook anything new. Sentence 3: He found some leftovers from a restaurant. Sentence 4: They were a few days old but Tom heated them up anyway. Choices: a. Mary was killed after the microwave caught fire and burned the house. b. They tasted better than expected.
a

Title: Cigarette punishment. Sentence 1: Ron's father told him not to start smoking. Sentence 2: Ron smoked behind his father's back anyways. Sentence 3: His father caught him. Sentence 4: He made him eat the whole pack. Choices: a. Ron never smoked again. b. I also sent a photo to the store but got no response.
b

Title: The mean waiter. Sentence 1: I was eating at a fancy restaurant. Sentence 2: My waiter comes and throws the check on the table. Sentence 3: He told me I had to hurry up and leave. Sentence 4: I was so shocked at this behavior. Choices: a. It was one of the best days in my life. b. I paid for my food and left him a ten cent tip.
a