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: Steve was very nervous to ask Tina out on a date. Sentence2: Steve had liked Tina for months now, but they never really spoke. Sentence3: Steve got encouragement from his friends to ask her to hang out. Sentence4: Steve gathered courage and asked Tina to study together that night. Sentence5: Tina said yes and soon they started dating each other!
Output:
Steve, Friends, Tina