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: Betsy had an important job interview. Sentence2: She had bought a new suit. Sentence3: During the interview, she realized her pen had leaked. Sentence4: It had smeared all over her shirt! Sentence5: Embarrassed, Betsy was so relieved when she got the job anyway.
Betsy