Given the task definition and input, reply with output. 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: Maria's daughters were fighting over the remote. Sentence2: They were tugging the controller. Sentence3: Flora pushed her sister and grabbed the remote. Sentence4: She fell on her head. Sentence5: Maria noticed and grounded both of them.
Doughter, Flora, Maria