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.

Example Input: Title: Film School. Sentence 1: Andrew had to make a film for his film school. Sentence 2: So he gathered actors he knew. Sentence 3: He got a little film crew together. Sentence 4: They shot a film. Choices: a. The teacher saw it and gave him a C. b. He bought her some chocolate, instead.
Example Output: a

Example Input: Title: The Gym. Sentence 1: Sandra was nervous. Sentence 2: She just got her gym membership. Sentence 3: She walked in the door and was a bit intimidated. Sentence 4: She overcame it though and began working out. Choices: a. A decade later she became a prima ballerina. b. She felt great working out in the gym.
Example Output: b

Example Input: Title: The Painting. Sentence 1: Tina was commissioned to make a painting for a friend. Sentence 2: She was normally good and quick at it. Sentence 3: Unfortunately the pressure was too much. Sentence 4: Tina kept refusing to work on it. Choices: a. Luckily, he would be okay but it was a close call. b. Eventually the friend took back the offer.
Example Output:
b