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: It was almost lunch time. Sentence2: Gina and her grandma were preparing fried chicken. Sentence3: Gina had never fried anything before. Sentence4: She was afraid of the grease. Sentence5: She chickened out and let her grandma do the frying.
Output:
Gina grandma, Gina