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: Tragedy strikes. Sentence 1: One day Keith was playing with his son Bryson. Sentence 2: He heard a loud noise bang from inside the house. Sentence 3: He went to check on his wife lyndie. Sentence 4: It was too late. Choices: a. Lyndie had been crushed by the family dresser. b. This was at a wedding.
Example Output: a

Example Input: Title: Spider. Sentence 1: Jessica and Tom were happily married. Sentence 2: One day Jessica saw a spider in their home. Sentence 3: She became very upset. Sentence 4: Tom killed the spider. Choices: a. Jessica became very happy that Tom killed the spider. b. But he managed to ace the exam!
Example Output: a

Example Input: Title: Making an Informed Decision. Sentence 1: Paul didn't know who to vote for in the presidential election. Sentence 2: He decided to watch the presidential debate. Sentence 3: Paul took note of important topics discussed. Sentence 4: After doing more research online, he finally decided. Choices: a. In the end she got to stay in a small studio in the city she loved. b. Paul felt good making an informed decision.
Example Output:
b