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: Tina loved to grow tea leaves in her backyard. Sentence2: One day a friend came over to her house. Sentence3: She tasted her tea and loved it! Sentence4: Tina had an idea to open her own tea shop. Sentence5: It opened recently and is already doing well!
A:
Friend, Tina