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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Ex Input:
Title: An Odd Job. Sentence 1: Todd wanted to earn a little extra money. Sentence 2: He offered to paint one of his neighbor's barns. Sentence 3: Todd did a good job painting the barn. Sentence 4: His neighbor paid him well. Choices: a. Todd used the money to buy dinner for him and his wife. b. The cashier apologized and made a new ice cream for him.

Ex Output:
a

Ex Input:
Title: Whiteout. Sentence 1: My sister in law is a waitress in an assisted living center. Sentence 2: We were in her apartment last Tuesday, during an inspection. Sentence 3: We saw four bottles of white out on her table. Sentence 4: I asked her why she has so much whiteout. Choices: a. She said she took them from work one day but does not know why. b. He was surprised and happy when he learned he made the team.

Ex Output:
a

Ex 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!

Ex Output:
b