Detailed Instructions: 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.
Problem:Sentence1: Jason has always wanted to learn calligraphy. Sentence2: He collects old letters written in this style and he loves them. Sentence3: He found online that you can take calligraphy lessons. Sentence4: Jason signed up and practiced on his calligraphy for a year. Sentence5: Now Jason is a pro and can write his own fancy letters.
Solution:
Jason