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: I needed to get groceries yesterday. Sentence2: I walked to the store instead of driving. Sentence3: On the way, I thought about what I needed to buy. Sentence4: I took my list into the store with me. Sentence5: I bought everything on the list, and had trouble carrying it home.

Ex Output:
I (myself)

Ex Input:
Sentence1: My husband and I decided we wanted to grow our own fresh vegetables. Sentence2: We tilled and prepared the area we decided would work best. Sentence3: After the tilling was done, we laid weed barrier down over the ground. Sentence4: We staked some fencing around the garden plot to keep animals out. Sentence5: After all that was done, we planted our vegetables in rows.

Ex Output:
I (myself), Husband

Ex Input:
Sentence1: Lucy tried out for cheerleader. Sentence2: She did not think she was going to make it. Sentence3: She messed up the words to the cheer. Sentence4: She also forgot part of the dance. Sentence5: When the names were called, Lucy made cheerleader.

Ex Output:
Lucy