What kind of atmosphere is created by the author's word choice in this excerpt?

In the following conversation, which group discussion technique does han mostclearly show? ramona: so you're saying that the evidence collected forpettit's book came from a fictional source? ! han: yeah. [fakes our paper from his pocket andunfolds it also found this article written byfrancis eggert that has even more evidence: treads from paperi giovanni fiorini wrote anexquisite piece of fiction, a novel entitledmedieval masterpieces. despite the blurbimentioned in the foreword to this day peopledepict this book as steeped in historicalaccuracy when in fact it is well-played-outimagination written by a master storyteller