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: Summer Job. Sentence 1: John wanted to buy a new video game. Sentence 2: His parents didn't want to give him them money. Sentence 3: His mother suggested to get a summer job. Sentence 4: John spent the summer mowing lawns. Choices: a. At the end of the summer, John had enough money to buy four games! b. Bobby's father had to take Bobby to school every morning.
Example Output: a

Example Input: Title: John Makes A Sandwich. Sentence 1: John realizes that he hasn't eaten anything all morning. Sentence 2: He is beginning to feel hungry. Sentence 3: John decides to make himself a sandwich to eat. Sentence 4: He fills the sandwich with meat and vegetables. Choices: a. John is glad that he got something to eat this morning. b. Cathy did so well at the interview, that they hired her on the spot.
Example Output: a

Example Input: Title: Dead Plants. Sentence 1: Tim was house sitting. Sentence 2: He was a bit of a slacker. Sentence 3: He forgot to feed the plants. Sentence 4: The house owners were upset. Choices: a. I made my roommate breakfast. b. They paid Tim less.
Example Output:
b