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: Sugar. Sentence 1: Tom wanted to improve his health. Sentence 2: He read about many strategies online. Sentence 3: He decided that quitting sugar would be the most beneficial. Sentence 4: Tom saw every aspect of his health improve after quitting sugar. Choices: a. I gave their baby a gift and introduced myself as her uncle. b. Tom was very happy with his decision and lifestyle.
A:
a