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: Better Grades. Sentence 1: The brothers took an acting class. Sentence 2: They worked on everything together. Sentence 3: They thought they would get the same grade. Sentence 4: One of the brothers got a better grade than the other. Choices: a. The one with the better grade teased his brother. b. Zach reminded him that it was birthday paper for Jesus.
[A]: a

[Q]: Title: A New Dress. Sentence 1: Joanna was very excited. Sentence 2: Today was her birthday. Sentence 3: Her mother took her out to go shopping. Sentence 4: They went into a clothes store and tried on dresses. Choices: a. Joanna got a beautiful new dress and was so happy. b. Her mom said no.
[A]: a

[Q]: Title: Jam. Sentence 1: Anthony Jamtano was proud of his teeth. Sentence 2: So proud, in fact, that he thought they deserved an award. Sentence 3: He went about, annoying everyone about how his teeth were the best. Sentence 4: To the point where a man became angry with him, and hit him. Choices: a. Tom wore them other times anyway. b. Now Anthony eats with a straw.
[A]:
b