The Primary Purpose of a Doppelganger Is to

The primary purpose of a doppelganger is to

A) make people laugh which subconsciously makes them desire the real product.
B) protect trademarks infringement by competing firms in the same industry.
C) undermine the integrity of existing brand marketing.
D) decrease competition by making one brand the "friendly, down to earth" brand.
E) increase productivity of advertising.