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: Carpenter. Sentence 1: Lewis had always wanted to be a carpenter. Sentence 2: It had been a dream ever since he was a kid. Sentence 3: One day, he decided to do well in school. Sentence 4: After succeeding, he was able to get a degree. Choices: a. Ford was able to buy his dream car. b. Now, Lewis is a carpenter and he is happy.
Example Output: b

Example Input: Title: Sea Creature Experience. Sentence 1: When visiting Hawaii, my husband asked me to snorkel with a manta ray. Sentence 2: I was a little scared, especially since the dive was at night! Sentence 3: We were all stretched out in the water, holding onto the float. Sentence 4: Our faces were in the water and bright lights were on. Choices: a. Suddenly, a huge and graceful manta swam within inches of my face! b. Chase's mother had to take him to the hospital.
Example Output: a

Example Input: Title: Ants. Sentence 1: Tim loved his apartment. Sentence 2: One day he noticed their was an ant problem. Sentence 3: Instead of moving, he purchased pesticides. Sentence 4: He used the pesticides. Choices: a. Now, Tom is well known for his deep and powerful stage voice! b. He successfully removed the ants from his apartment.
Example Output:
b