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: Running. Sentence 1: Rick decided that he wanted to start running. Sentence 2: He started off by walking every other day. Sentence 3: Before he got serious he order new running shoes. Sentence 4: Soon he started using a heart rate monitor to improve his training. Choices: a. After that, Amy was able to eat with syrup. b. Within a couple of months Rick ran a race with a bunch of friends.
[A]: b

[Q]: Title: Ballet Class. Sentence 1: One day Gina decided to enroll in a ballet class. Sentence 2: She started having fun the very first day. Sentence 3: She got better as she took more classes. Sentence 4: Eventually she competed in a tournament. Choices: a. She ended up winning! b. But she ended up having a lot of fun!
[A]: a

[Q]: Title: Ice Tea. Sentence 1: Matt had never made iced tea before. Sentence 2: He took a tea bag and put it into cold water. Sentence 3: He wondered why the tea tasted so weak. Sentence 4: He looked at the box of tea bags for directions. Choices: a. Suddenly, my brother came through the door and we all enjoyed pudding. b. He realized he should have used hot water to steep the tea.
[A]:
b