Definition: 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.
Input: Sentence1: Andy was recently asked to dance at his daughter's wedding. Sentence2: However, Andy did not know how to dance at all. Sentence3: Andy decided he would enroll in some dance classes with his daughter. Sentence4: After class Andy would practice his new learned moves. Sentence5: Andy was glad he was learning how to dance for the wedding.
Output:
Doughter, Andy