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: Sally was desperate for money. Sentence2: She needed to pay rent and was backed up on bills. Sentence3: She took out a payday loan to keep afloat. Sentence4: Now she is further in debt and more desperate. Sentence5: She contemplated suicide when she was evicted.
[A]: Sally

[Q]: Sentence1: Sam was running for president. Sentence2: He started getting a following. Sentence3: He went to all of the on the fence states. Sentence4: He won the democratic debate. Sentence5: He ended up being president.
[A]:
Sam