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: Don't Eat The Ice Cream. Sentence 1: Andrea was lactose intolerant. Sentence 2: She went to her best friend's birthday party. Sentence 3: The hosts offered the kids cake and ice cream. Sentence 4: Andrea didn't want to be an outcast, so she ate the ice cream. Choices: a. Andrea had stomach pains all night. b. Jerry thanked his friend and invited him for future activities.
A:
b