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: Daisy Chain. Sentence 1: Daisy was named for the white flower with thin petals. Sentence 2: So it was only natural that she learn to make daisy chains! Sentence 3: At age 5, her mom sat her down and showed her how to link the stems. Sentence 4: Soon Daisy had the hang of it. Choices: a. Soon Randy and his son were both skipping stones on the river. b. She was making floral chains like a goddess!

Ex Output:
a

Ex Input:
Title: Autistic Grandson. Sentence 1: My old boss has an autistic grandson. Sentence 2: Paul is five and cannot talk. Sentence 3: He was getting treatment but lately has been acting out. Sentence 4: Recently the family brought in a dog as a service animal. Choices: a. So far Paul has been calmer. b. Tom was never able to find it.

Ex Output:
b

Ex Input:
Title: Sarah in the Parade. Sentence 1: Sarah was the star in her school's play. Sentence 2: The actors had to promote the play by walking in the spring parade. Sentence 3: Sarah was sick that day, so she kept sneezing and coughing. Sentence 4: When her teacher found out, he was upset. Choices: a. He told Sarah that she should have stayed home. b. The teacher gave the girl her prize.

Ex Output:
b