Definition: 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: Gina went to the store and got ice cream for herself. Sentence2: When she got home her mom was mad she didn't get some for everyone. Sentence3: She handed Gina some money and sent her back to the store Sentence4: Gina bought a gallon of ice cream and ran back home. Sentence5: She was afraid it would melt in the heat if she walked.
Output:
Gina, Her mom