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.
Q: Title: The messy Car. Sentence 1: I gave a ride to my friend. Sentence 2: When he got in the car, he noticed it was a mess. Sentence 3: There were soda cans and burger wrappers everywhere. Sentence 4: I felt embarrassed because of the junk. Choices: a. So I took the garbage off of the floor and put it in the trunk. b. The dog never got to eat his treats, a sad day indeed for the dog.
A:
a