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: Puppy. Sentence 1: Alice's dog had three puppies. Sentence 2: They were mini versions of her. Sentence 3: Alice wanted to keep all three. Sentence 4: Her parents decided to sell them.
She visits them once a week to keep an eye on their health.

Title: The Teacher. Sentence 1: One person influenced my life more so than any other person. Sentence 2: Someone who taught me I can be who I want to be. Sentence 3: That person is my teacher, and someone I'm forever indebted too. Sentence 4: As the years passed, he got older and plans for retirement.
Today is that day, and I'm outside his door with a smile.

Title: Sally Tips Her Waiter. Sentence 1: Sally was having lunch by herself at an Italian restaurant. Sentence 2: She overheard her waiter having money problems. Sentence 3: Sally felt very bad for her waiter. Sentence 4: After her meal, Sally tipped her $100.
The waiter was very grateful for the tip.