Sure, I’d be happy to explain the answer ‘NOT’ in relation to punctuating a sarcastic remark!
When someone makes a sarcastic comment, they are saying something but implying the opposite. For example, if someone says “Great! I just love getting stuck in traffic,” they are being sarcastic because they are expressing a negative sentiment (getting stuck in traffic) but using positive language (saying it is ‘great’).
To punctuate this statement with even more sarcasm, a person might say “Great! I just love getting stuck in traffic… NOT.” In this case, the word ‘not’ is used to negate the positive sentiment that was implied in the first part of the statement.
This use of ‘not‘ to punctuate a sarcastic remark has become quite common in modern language, especially in casual conversation and on social media. So, if you see ‘NOT‘ used in this way, you can be pretty sure that the person is trying to convey a sarcastic tone.