Instructions: 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.
Input: Sentence1: I was eating in a Japanese bar. Sentence2: My friend suggested we try mochi for dessert. Sentence3: I was eager to try some so I agreed. Sentence4: It was amazing! Sentence5: Alas, the mochi cost too much so we decided not to tip.
Output:
I (myself), Friend