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.

Title: The Ghost. Sentence 1: I use to ride my horses down along the river near our house. Sentence 2: One early morning as I was riding I saw a man standing near a tree. Sentence 3: He was dressed in old clothes from some time ago. Sentence 4: As I rode closer he stepped behind the tree. Choices: a. I bought a Ladoo and ate it. b. When I got to the tree I could see he wasn't there, he was a ghost.
a

Title: Unknown Friend. Sentence 1: Tom got a friend request on Facebook. Sentence 2: He couldn't figure out who it was. Sentence 3: Tom decided to message them. Sentence 4: They talked to a bit before Tom figured it out. Choices: a. It was an advertising bot. b. However, it stained the table pink.
b

Title: Pork. Sentence 1: Kia was a Muslim. Sentence 2: She ordered a pizza with beef pepperoni. Sentence 3: But the waiter was confused. Sentence 4: He said all the pepperoni was pork-based. Choices: a. Kia sighed and hung up to find a new restaurant. b. What a fun day they had had at the falls!
b