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 went to the store to buy new markers. Sentence2: I found some that were scented. Sentence3: I opened the caps and sniffed them all. Sentence4: My favorite was the grape one. Sentence5: It reminded me of grape flavored skittles.
I (myself)