TASK 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.
PROBLEM: Sentence1: Kirk went to the bank to deposit a check. Sentence2: He was very late for work but stood in line anyway. Sentence3: The line moved very slowly. Sentence4: To pass the time he took a lollipop in one of the bowls. Sentence5: He had finished the lollipop when it was finally his turn.

SOLUTION: Kirk

PROBLEM: Sentence1: Katherine was at home watching TV. Sentence2: Suddenly she got a phone call. Sentence3: Her dad had had a heart attack and was in the hospital. Sentence4: She quickly went to the hospital to be with him. Sentence5: Luckily, he recovered in a couple of days and was alright.

SOLUTION: Dad, Katherine

PROBLEM: Sentence1: Winter break ended and it was time to go back to school. Sentence2: Kelly was ready but quite disappointed. Sentence3: She knew vacation wouldn't last forever. Sentence4: The moment she woke up she didn't want to get up. Sentence5: The only positive was that she could see her friends.

SOLUTION:
Kelly, Friends