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: Jeff was constantly stressed out. Sentence2: But one day, someone approached him and talked to him. Sentence3: Immediately, Jeff felt more relaxed. Sentence4: And he realized that having more friends would help his stress. Sentence5: But Jeff struggled to hold conversations with others.
Someone, Friends, Others, Jeff

Sentence1: Jane passed a small park-like zoo she remembered visiting as a child. Sentence2: She turned her car into the park, feeling nostalgic. Sentence3: Jane went to see the deer, like the ones she once fed by hand. Sentence4: She saw these deer were scrawny, mangy and had terrified eyes. Sentence5: Jane wished she had never stopped the car.
Jane, Deer

Sentence1: Jackie was practicing his kung fu moves. Sentence2: He accidentally hit a girl. Sentence3: He apologized, but the girl got into fighting position. Sentence4: She swung her fists and Jackie realized she was a martial arts expert. Sentence5: He could just barely keep up and ended up conceding the fight.
Girl, Jackie