What sets off appositives in the sentence is the use of the quotation mark, comma (,). This indicates that the phrase is just an added information in the sentence, and if omitted will never change the whole thought or idea of the sentence. Aside from commas, parentheses or dashes can be used as well.
#1. Comma is used to off set the sentence
Uncle Jordan earns money by working at a clown at children’s birthday parties.
Immediately after murdering Duncan, Macbeth goes to the courtyard to where lady Macbeth is waiting for him.
B. Visits
Bc A & C are both future tense