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: Lisa had always wanted to try making jewelry. Sentence2: She started by creating some earrings. Sentence3: That inspired her to make even more. Sentence4: Lisa continued to make more earrings. Sentence5: She was happy that she was making jewelry.

Output: Lisa

Input: Consider Input: Sentence1: Val drove her car down a steep hill. Sentence2: Her brakes did not seem to slow her down at all. Sentence3: Val had to steer into a parked car to slow her down. Sentence4: The two cars crashed together in a loud bang. Sentence5: This was enough to bring Val's car to a stop.

Output: Val

Input: Consider Input: Sentence1: Gina was sitting at a stop light in the turn lane. Sentence2: She was getting on the highway to go home. Sentence3: But the traffic below made her think twice. Sentence4: As the light turned green traffic began to move. Sentence5: Gina got out of the turn lane, and stayed on the streets instead.
Output: Gina