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: Consider Input: Title: Accident. Sentence 1: The teacher began her lesson. Sentence 2: A student asked to use the restroom. Sentence 3: The teacher refused the request. Sentence 4: The student had an accident. Choices: a. The parents of the student sued the school. b. I didn't want to leave when it was time.

Output: a

Input: Consider Input: Title: Melissa is heartbroken. Sentence 1: Melissa has been dating a boy for 3 months. Sentence 2: One day the boy tells Melissa he wants to break up. Sentence 3: He tells her he has found someone new. Sentence 4: Melissa asks who the girl is. Choices: a. The boy tells her he's in love with Melissa's sister. b. Patrick's wife was surprised he noticed.

Output: a

Input: Consider Input: Title: Homemade. Sentence 1: I wanted to spend less money on food. Sentence 2: So I decided to bake my own granola bars. Sentence 3: I brought them with me during bike rides. Sentence 4: And I didn't have to stop at cafes any longer. Choices: a. I ended up saving lots of money. b. The ball went through the hoop, Bill won the game.
Output: a