Renee Owns a Small Restaurant That Sells Hamburgers as One

Renee owns a small restaurant that sells hamburgers as one of its main attractions.She puts up a sign that says "Best Burgers in the County".Peter does an exhaustive investigation of all restaurants in the county and asks his friends to do the same.They all determine that actually a restaurant run by their friend Sam has the best burgers in the county.Peter tells Renee that unless she takes down her sign,he is going to sue her for breach of warranty and false advertising.Renee tells him that he has no cause of action.Who is correct?

A) Peter is correct so long as he and his friends can convince the jurors in a lawsuit that Sam has the best burgers.
B) Peter is correct only if he can establish that Renee was aware that Sam's burgers actually taste better before she put up the sign.
C) Peter is incorrect because Renee was engaged in "spoofing".
D) Peter is incorrect because Renee was engaged in "puffing".