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: Lost Phone. Sentence 1: Reed was out with some friends. Sentence 2: They were at the movies seeing the latest superhero movie. Sentence 3: The movie ended and it was time to go home. Sentence 4: Reed reached into his back pocket to call his parents. Choices: a. Reed couldn't feel his phone and had lost it at the movies. b. A month later, Rory leaped when he read the congratulatory email.

Output: a

Input: Consider Input: Title: Late at the airport. Sentence 1: Jerome arrived very late at the airport. Sentence 2: He run to try to catch his plane. Sentence 3: But it was already gone and he had to wait. Sentence 4: He booked another flight for the night. Choices: a. So she decided to write a poem about it to alleviate the blow. b. And proceeded to sleep on a bench waiting for his next flight.

Output: b

Input: Consider Input: Title: Leila goes to the Museum. Sentence 1: Today Leila is going to the museum. Sentence 2: She is going with his class at school. Sentence 3: They look at many exhibits. Sentence 4: There's a large T-Rex display. Choices: a. Dina now plays tennis professionally. b. Her favorite part is seeing how electricity works.
Output: b