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: I made my sister and I peanut butter and jelly sandwiches. Sentence2: I laid mine on plate to eat but had to run upstairs. Sentence3: When I got back my sandwich was gone. Sentence4: My little sister was at the table eating. Sentence5: I finally figured out she at my sandwich too.
I (myself), Sister