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: Marcus Buys Khakis. Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: All of his clothes were either too formal or too casual. Sentence 3: He decided to buy a pair of khakis. Sentence 4: The pair he bought fit him perfectly. Choices: a. Marcus was happy to have the right clothes for the event. b. He left in a huff for having his ideas mocked.
Example output: a
Example explanation: Marcus is buying clothes for a business event and not presenting an idea.
Q: Title: A Healing Phone Conversation. Sentence 1: Bob never wanted to talk to Penny again after she broke up with him. Sentence 2: Yet when she called him three years later, they talked for two hours. Sentence 3: Bob felt better afterward, although he knows they will never reunite. Sentence 4: He understands the circumstances of the breakup better now. Choices: a. Kim finally bought a couple extra pairs so she had some waiting. b. Bob was able to forgive Penny after all this time and wish her well.
A:
b