You will be given a definition of a task first, then some input of the task.
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: Her grandmother was finally here to pick her up. Sentence2: Tina burst through the front door before Ma even got out the car. Sentence3: Tina ran to her grandmother and gave her a big hug. Sentence4: To her dismay, Tina had to wait because Me went inside. Sentence5: After an hour of hellos Tina and Ma finally left for their sleepover.
Output:
Her grandmother