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.
Q: Sentence1: Jill has been practicing everyday so she can beat Roz at the big race. Sentence2: She has been running two times a day and only eating healthy food. Sentence3: On the day of the race, she feels ready. Sentence4: The officials start the race. Sentence5: Jill and Roz run a fair race and Jill wins!
A:
Roz, Jill, The officials