Inglast,a Chocolate Producer,is Faced with a Class Action Suit When

Inglast,a chocolate producer,is faced with a class action suit when customers find pieces of plastic in boxes of cocoa powder.Inglast settles the case and then releases an advertising campaign to show the new and improved safety seals on all containers of cocoa powder.Which kind of advertisement has Inglast most likely used?

A) classified
B) informative
C) comparative
D) personalized
E) reminder