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.

Sentence1: The girls soccer team had been working hard all year. Sentence2: They were determined to go undefeated. Sentence3: At state they were facing their rivals. Sentence4: In the last shootout, they were tied. Sentence5: They ended up winning and became the state champs.
Rivals, Girls soccer team, Girls