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 went apple picking the other day with my friends. Sentence2: We picked a whole bunch of apples. Sentence3: A lot of my apples had worms in them. Sentence4: I was really upset about this. Sentence5: My friends shared some of their apples with me.
I (myself), Friends