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.

Example Input: Title: Five Second Rule. Sentence 1: Tom was eating pizza. Sentence 2: He accidentally dropped it on the floor. Sentence 3: Tom thought nobody was looking. Sentence 4: He picked it up and kept eating it. Choices: a. A friend saw and ridiculed him for it excessively. b. Jennifer could not have been happier.
Example Output: b

Example Input: Title: ezpass. Sentence 1: Our state switched to no toll booth highways this week. Sentence 2: We had to apply for an ez pass. Sentence 3: The state had an online application. Sentence 4: The app kept bombing out. Choices: a. I ended sending my application via snail mail. b. Fred could never dive again.
Example Output: b

Example Input: Title: Chop Suey. Sentence 1: Anna had a lot of leftovers from her kids' lunches all week. Sentence 2: She hated wasting food. Sentence 3: Then she had a great idea-she fried up some rice and seasoned it. Sentence 4: Then she mixed in all the leftover veggies and meat. Choices: a. She dressed up in a short dress, sweet perfume and tried her luck. b. She called it USA Chop Suey, and the kids loved it!
Example Output:
a