You will be given a definition of a task first, then some input of the task.
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.

Title: The unsure date.. Sentence 1: Carmen felt unsure about going to the movies with Sean. Sentence 2: She liked Shaun but was unsure if he really liked her. Sentence 3: She met Sean at the movies and he greeted her with a hug. Sentence 4: During the movie they both laughed a lot together. Choices: a. After the movies Sean asked her on another date and kissed her goodbye. b. Leslie realized it was best not to fight if she didn't have to.
Output:
a