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: Quite in the Library. Sentence 1: Earl was studying in the library. Sentence 2: Earl was patiently waiting, when a student started screaming. Sentence 3: Earl quickly turned around, and told the student to be quiet. Sentence 4: The student refused and continued to scream loudly. Choices: a. Dan was disappointed that he did not find anything at the mall. b. Earl decided it was best to leave the library, and study elsewhere.
Example Output: b

Example Input: Title: Janice Goes Skiing. Sentence 1: Janice decides that she would like to take a ski trip. Sentence 2: She takes the long drive to the mountain. Sentence 3: Finally she arrives. Sentence 4: Janice spends the whole weekend skiing. Choices: a. She now works at her dream job in a salon. b. Janice is happy that she took a ski trip.
Example Output: b

Example Input: Title: Lighter. Sentence 1: Bob wanted to smoke a cigarette. Sentence 2: However, he forgot his lighter. Sentence 3: He went to his friend and asked for one. Sentence 4: His friend said he doesn't have one. Choices: a. It ended up sliding down all the time. b. Bob knows his friend has one however.
Example Output:
b