Given the task definition and input, reply with output. In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: The waiter served the food to my family. Sentence2: When she gave me my place, my aunt offered salt. Sentence3: Although I said no, she poured a lot of the salt onto my food. Sentence4: When I tried to eat it, it tasted too salty. Sentence5: The waiter had to throw it away for me.
Waiter, I (myself), Aunt, Family