Use a pair of commas in the middle of a sentence to set off clauses, phrases, and words that are not essential to the meaning of the sentence. Use one comma before to indicate the beginning of the pause and one at the end to indicate the end of the pause.
Violent movies can show people what could be happening in the real world.
My favorite restaurant, Bill's Breakfast, serves the best pancakes.
Bill's Breakfast is not a real restaurant lol, Hope this helps!
The answer is 'Hard Work' or just simply 'Work'.