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.

Input: Consider Input: Title: Magical Wand. Sentence 1: We went to Universal Studios in Orlando for vacation. Sentence 2: My wife was obsessed with Harry Potter so she wanted to really go. Sentence 3: Once we got there we decided to buy her a wand. Sentence 4: She spent the rest of the trip using the wand and saying spells. Choices: a. It was one of the most fun vacations we have ever been on. b. We try to go once in a year and have some fun.

Output: a

Input: Consider Input: Title: Shelter. Sentence 1: Nate had had a huge fight with his parents. Sentence 2: He decided to run away from home. Sentence 3: On the streets he realized he had no plans and had to find a shelter. Sentence 4: Luckily, they welcomed him in and gave him a meal and a bed. Choices: a. He felt bad for lying but at least it ended the fight quickly. b. The next day they helped him reunite with his family.

Output: b

Input: Consider Input: Title: Nostalgia. Sentence 1: Pam was bringing old boxes upstairs from her basement. Sentence 2: She wants to de-clutter by having a garage sale. Sentence 3: She began separating items to keep and sell. Sentence 4: When grabbed the last box, she found her childhood blanket. Choices: a. She smiled as she hugged it closely. b. Tom got to exchange it for another one.
Output: a