BrainFood Is a Brand Used to Promote a Concoction of Natural

BrainFood is a brand used to promote a concoction of natural ingredients sold in natural health stores as a supplement to help with memory retention. Recently, MindFood has come onto the market and has begun selling supplements that, although composed of different ingredients, are also meant to help with memory loss. The packaging is similar, and the two products are sold in the same stores. Which of the following is most likely TRUE?

A) MindFood is infringing Brainfood's trademark.
B) MindFood is infringing BrainFood's patent.
C) MindFood is immune from suit because it is composed of ingredients not found in BrainFood.
D) MindFood is infringing BrainFood's copyright.
E) none of the above