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: Study. Sentence 1: John had a test coming up in three days. Sentence 2: So John was ready to study for his test. Sentence 3: He needed to pass it in order pass the class. Sentence 4: John studied for those three days. Choices: a. John took the test and passed it. b. He was excited to realize that he had been published.
A: 
a