Detailed Instructions: 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: Cruise Ship Accident. Sentence 1: Tim was on a singles cruise. Sentence 2: Before he could do any mingling the ship took on water. Sentence 3: Within hours it was sinking. Sentence 4: Everyone got out alive. Choices: a. He steered his boat at full speed toward the lonely boat. b. Tim had PTSD over the situation, though.
A:
a