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: I ordered a guitar online on January 15th from a Luthier. Sentence2: The guitar was a special order to be delivered by Federal Express. Sentence3: It was insured and I needed to be home to sign for it. Sentence4: I waited for my new instrument and did not leave my house that day. Sentence5: I was so delighted my guitar was delivered that January afternoon!
I (myself), Luthier