Instructions: In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Input: Title: Lemonade. Sentence 1: Kia made a pitcher of lemonade for her family. Sentence 2: She poured them glasses to drink. Sentence 3: But as they sipped, they all frowned and spat! Sentence 4: Kia had forgotten the sugar.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
She was so embarrassed by her silly mistake!