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: Sal was a great listener and a great friend. Sentence2: While her friends studied for careers, Sal helped them handle stress. Sentence3: Then she considered her own career. Sentence4: It didn't take long for her to come up with a perfect choice. Sentence5: Sal became a therapist, and continued to help people every single day!
People, Friends, Sal