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: Popular Girlfriend. Sentence 1: Shawn had started dating Wendy two months ago. Sentence 2: He finally introduced her to his friends. Sentence 3: They seemed to really hit it off. Sentence 4: Shawn was excited because everything seemed perfect. Choices: a. Then Shawn realized everyone liked Wendy more than they liked him. b. Jenny had a wonderful time bird watching.
a