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: Uber. Sentence 1: Roberto looks at his watch. Sentence 2: It is late, and he needs to get home. Sentence 3: He calls an Uber. Sentence 4: A man picks him up. Choices: a. The man says he's not an Uber, and could he get out of his car. b. His nephew worked with him for the summer.
b

Title: Penny candy. Sentence 1: When Tina went into the candy store she saw a lot of cheap things. Sentence 2: Many items were only a penny. Sentence 3: Tina couldn't believe it. Sentence 4: So she went and bought all she could. Choices: a. So we never went back. b. It was delicious afterwards.
a

Title: Idea. Sentence 1: The boy had an idea. Sentence 2: He told the idea to a friend. Sentence 3: They decided to work together. Sentence 4: They brought the idea to fruition. Choices: a. They both felt satisfied in a job well done. b. Tom apologized for the volume and turned it down.
b