You will be given a definition of a task first, then some input of the task.
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: Kindling. Sentence 1: Rudy moved into a house with a fireplace. Sentence 2: The house was bordered by woods. Sentence 3: Rudy went into the woods and collected sticks and branches. Sentence 4: At home, he crumpled up newspaper in the fireplace. Choices: a. He lay the kindling on the newspaper and lit the fire. b. The house creaked cause it was old.
Output:
b