Given the task definition and input, reply with output. 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: Makeup Lessons. Sentence 1: Denise wanted to learn how to apply her own makeup. Sentence 2: Denise decided she would watch tutorials on YouTube for help. Sentence 3: After locating a tutorial, Denise tried to use her new found skills. Sentence 4: However, Denise realized she would need more makeup lessons. Choices: a. Denise decided to subscribe to the channel so she could learn more. b. Denise found out that she was 12 weeks pregnant!
a