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.

Ex Input:
Title: Burger. Sentence 1: The man cooked a hamburger on the grill. Sentence 2: He liked wanted it to be medium rare. Sentence 3: He cooked it for too long. Sentence 4: The hamburger tasted too burnt. Choices: a. He searched for hours, but never found the snake. b. He did not enjoy eating that hamburger.

Ex Output:
a

Ex Input:
Title: Won the Trial. Sentence 1: Gabriella was in court for a crime she didn't commit. Sentence 2: It was a difficult case but her lawyer was good. Sentence 3: He was trying to prove her innocence and Gabriella hoped it worked. Sentence 4: They waited eagerly for the verdict. Choices: a. The cookies were nearly black but somewhat edible. b. Luckily, Gabriella was cleared of any charges and set free.

Ex Output:
a

Ex Input:
Title: Shark Danger. Sentence 1: Blair was surfing in the ocean. Sentence 2: He spotted a large fin in the water. Sentence 3: He got very scared. Sentence 4: He paddled to the shore. Choices: a. She was never going to endure that pain again! b. The shark swam away from the beach.

Ex Output:
a