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: Repotting Plant. Sentence 1: My friend came over to visit me on Saturday. Sentence 2: While he was here he accidentally dropped one of my plants. Sentence 3: The plant was not harmed, but the planter broke into pieces. Sentence 4: The next day I repotted it in a bigger planter. Choices: a. My plant is happier now that it has a fresh planter to live in. b. Bella misses her train.

Ex Output:
b

Ex Input:
Title: Mail Story. Sentence 1: Lori moved into a new neighborhood. Sentence 2: One day her mailman put someone else's mail in her mailbox. Sentence 3: Lori took the mail to the correct address. Sentence 4: The woman at that address was rude to Lori. Choices: a. He never found out who drank it. b. Lori decided that she did not want to be friends with this woman.

Ex Output:
a

Ex Input:
Title: Globe Trotting. Sentence 1: Joe had a girlfriend he loved very much. Sentence 2: They had both finished college and had big plans. Sentence 3: One morning, Joe decided he wanted to travel. Sentence 4: He talked with his girlfriend, but she wanted a family. Choices: a. Arriving home, his mother saw the card and said they mailed her one. b. Joe gave up on all of his dreams of travel to raise children.

Ex Output:
a