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: Dinner is Served. Sentence 1: I wanted to make a special dinner for my husband. Sentence 2: I prepared his favorite casserole and placed it in the oven. Sentence 3: Hours later, I realized that I had forgotten to turn on the oven. Sentence 4: It was now too late to cook the casserole for dinner. Choices: a. Shelly resolved to never tell her mother a secret again. b. We ordered the most delicious pizza we had ever eaten!
b