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: Hank was at his high school basketball match. Sentence2: During half time, someone from the other team offered him candy. Sentence3: Hank gladly accepted the candy. Sentence4: But he started feeling bad when the game resumed. Sentence5: Hank regret eating the candy.
Hank, Someone