Say you found two papers about the same research: Paper A is the original finding; Paper B is an analysis that references Paper A. You use a section of the analysis from Paper B. Which paper do you cite?

where's the excerpt?   also i think the answer is the last one

it can be both; depending on the situation at hand.

explanation:

let's just say i get in to a confrontation with someone, and they say "ur mom", it could be seen as an insult. or depending on the relationship or comfortability with the person it may be seen as a joke. the distinct line is how the chemistry behind the confrontation.