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.

[EX Q]: Sentence1: Dennis decides he wants more hours at work. Sentence2: He decides he doesn't want to ask his boss for more hours. Sentence3: So, instead he just dawdles at night before he clocks out. Sentence4: But his boss is taking notice and tells him to stop. Sentence5: Dennis decides to ask his boss for more hours.
[EX A]: Dennis, Boss

[EX Q]: Sentence1: I'm a big fan of pixel art. Sentence2: I express my fandom by making bead art of sprites. Sentence3: I melt the beads together so they fuse forever. Sentence4: It is a time-consuming but fun process. Sentence5: Now my walls are covered in bead-based pixel art.
[EX A]: I (myself)

[EX Q]: Sentence1: Tim had a pizza party. Sentence2: There were fifty people. Sentence3: But Tim forgot to bring drinks. Sentence4: Tim had an idea. Sentence5: He found some water he stashed for an emergency to give them.
[EX A]:
Tim, People