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.
Q: Title: Heart Issues. Sentence 1: My brother in-law had a heart attack in 2006. Sentence 2: He was overweight and a smoker. Sentence 3: He resolved to stop smoking and go on a diet. Sentence 4: He did well for a year, then went back to his old ways. Choices: a. After several discussions, he decided to give test retakes. b. He died of a heart attack in 2012.
A:
a