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.

Ex Input:
Sentence1: My girlfriend and I decided to cook together Tuesday. Sentence2: We chose to make fajitas. Sentence3: It was fun and easy. Sentence4: We only got in each other's way a little. Sentence5: The food was delicious and we plan to do it again soon.

Ex Output:
Girlfriend, I (myself)

Ex Input:
Sentence1: My sister is afraid of spiders. Sentence2: She jumps and screams every time she sees one. Sentence3: I love teasing her with spiders and watching her run away. Sentence4: At school, my sister learned about spiders and was no longer afraid. Sentence5: Now I can't have fun teasing her about spiders.

Ex Output:
I (myself), My sister, Spider, Spiders

Ex Input:
Sentence1: Susie had been using a droid phone for quite awhile. Sentence2: She had liked it but was having issues. Sentence3: One day it stopped working. Sentence4: So she got an iPhone instead. Sentence5: Susie liked the iPhone so much better.

Ex Output:
Susie