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: Consider Input: Sentence1: Every Saturday night my friends go bowling. Sentence2: Last week they invited me. Sentence3: I was so excited to go bowling with them. Sentence4: When we went bowling I did not do very well. Sentence5: Even though I didn't bowl well I had a lot of fun with my friends.

Output: I (myself), Friends

Input: Consider Input: Sentence1: Phil wanted to have a fun evening out in town. Sentence2: He invited his friend Rich to join him for some karaoke. Sentence3: They went to a karaoke bar and had a few drinks. Sentence4: Phil got up on stage and started singing. Sentence5: His singing was atrocious, but everyone joined in anyway.

Output: Phil, Everyone, Rich

Input: Consider Input: Sentence1: Jerry brought his wife a red rose. Sentence2: She smiled and put it in the center of the dinner table. Sentence3: At dinner, the couple didn't say much to each other. Sentence4: That night they slept silently by each other's side. Sentence5: In the morning, the rose had wilted.
Output: Jerry, Wife