Given the task definition and input, reply with output. 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.

Title: The Mashed Potatoes. Sentence 1: Sam decided to cook dinner. Sentence 2: She wanted mashed potatoes as a side. Sentence 3: She boiled the potatoes. Sentence 4: Then she mashed them up and added butter.
The potatoes were delicious!