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: Bob called Erica to ask her to a Valentine's Day date. Sentence2: She told him yes that she would love to go with him. Sentence3: He was excited about the upcoming date. Sentence4: He planned everything for the perfect night. Sentence5: When he picked her up she was smiling and happy.
[A]: Bob, Erica

[Q]: Sentence1: Todd has been in the hospital for many days. Sentence2: The doctors say there is sign of recovery. Sentence3: His family is planning for the worst. Sentence4: Later in the week Todd's doctor said he was pulling the plug. Sentence5: Todd was pronounced at at 6 pm today.
[A]: Family, Doctors, Todd

[Q]: Sentence1: Mary took her purse into the bathroom stall and set it on the shelf. Sentence2: Without thinking, she exited the bathroom without her purse. Sentence3: Later she realized she didn't have her purse. Sentence4: She ran to the bathroom and found her purse. Sentence5: Unfortunately, her wallet had been emptied and she was sad.
[A]:
Mary