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: Son of a Beach. Sentence 1: Nina was almost nine months pregnant. Sentence 2: She was enjoying a nice sunny day at beach. Sentence 3: She started feeling a terrible pain. Sentence 4: Luckily a doctor was there because she went into labor in the sand. Choices: a. She named her newborn baby girl Cici after her birthplace. b. She is very happy that she can now text with her friends.

Output: a

Input: Consider Input: Title: Slip. Sentence 1: Sophie was getting into the bath tub one day. Sentence 2: She slipped on the wet porcelain. Sentence 3: Her chin was cut open badly. Sentence 4: She had to get fifteen stitches! Choices: a. The next day, he tried to get into the novel again. b. Sophie vowed to be more careful in the future.

Output: b

Input: Consider Input: Title: Looming.. Sentence 1: Natalie is a autistic young girl. Sentence 2: She has many intense interests. Sentence 3: Natalie was interesting to learn how to loom. Sentence 4: She studied looming intensely. Choices: a. Now she has master the art of looming. b. She was so happy to hear from him that she cried.
Output: a