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: Ric thought he'd missed his favorite tv show's return. Sentence2: He clicked the remote rapidly, scanning the channels like a madman. Sentence3: Suddenly, there his show was, just beginning to come on the air. Sentence4: Ric sighed in relief. Sentence5: He'd forgotten about the time zone differences!
Ric