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: The Greens live in Atlanta. Sentence2: Last week, they traveled to Canada. Sentence3: There was a lot of snow and ice. Sentence4: Wind chills were well below zero. Sentence5: The Greens are happy to be back in warm Atlanta!
[EX A]: Greens

[EX Q]: Sentence1: Eli ordered a lot of products off the Internet. Sentence2: He was asleep when the parcel delivery service came. Sentence3: She stacked all of Eli's packages directly in front of his door. Sentence4: When he woke up he couldn't open his door! Sentence5: Eli climbed out the window and moved the boxes away from the door.
[EX A]:
Eli