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.

Example Input: Sentence1: Susie decided she wanted to go to the golf course. Sentence2: She had never been before. Sentence3: So her father agreed to take her. Sentence4: When she got her, she hit her first ball. Sentence5: To her delight, she got a hole in one.
Example Output: Her father, Susie

Example Input: Sentence1: May was a teacher at a high school. Sentence2: She had come to hate her job. Sentence3: At finals she gave the students a relatively easy assignment. Sentence4: She was shocked to see there was little effort from the students. Sentence5: May decided to just give everyone a passing grade and be done with it.
Example Output: May, The students

Example Input: Sentence1: Laura decided to try to lose some weight. Sentence2: She worked hard to lose over 50 pounds. Sentence3: However, now her pants do not fit. Sentence4: Buying all new pants cost Laura a lot of money. Sentence5: Sometimes she wonders if it was all worth it.
Example Output:
Laura