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: Crash. Sentence 1: They had fallen down. Sentence 2: I had a couple of water bottle in the freezer. Sentence 3: I had to put them at an angle. Sentence 4: I heard a crash. Choices: a. The other of the pair made up for it by taking over for a while after. b. I had to go check on them.

Ex Output:
a

Ex Input:
Title: The Pizza. Sentence 1: Abby was very picky. Sentence 2: Her mom gave her pizza. Sentence 3: Abby picked all the vegetables off of it. Sentence 4: Then she removed the cheese. Choices: a. Miles never got another detention. b. Abby would only eat the crust.

Ex Output:
a

Ex Input:
Title: The Pound. Sentence 1: It had been several months since my old dog had died. Sentence 2: I had thought quite a bit about getting a new one recently. Sentence 3: My friend told me to go check out the dog pound first. Sentence 4: So, I headed down there and found many dogs. Choices: a. One was to be put down that evening, so I adopted him. b. Reba and her kids have to hitchhike their way back into town.

Ex Output:
b