Definition: 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.
Input: Title: Problem solved. Sentence 1: Liz enjoyed going for runs. Sentence 2: She went out for a run around the block but wore the wrong shoes. Sentence 3: These shoes gave her a blister. Sentence 4: It took her a whole week to be able to run again. Choices: a. She couldn't wait to move on to the rest of the house. b. Liz now only owns running shoes for casual wear.
Output:
b