option a because of the e search I did rite now
Explanation:
Nootropic also known as 'cognitive enhancers' are drugs that some people use in an attempt to improve memory, increase mental alertness and concentration as well as boost energy levels and wakefulness. There are many different nootropics.
The bliss point is the amount of an ingredient such as salt, sugar or fat which optimizes deliciousness.
Awnser:
Waiter/Waitress can verbally list ingredients in dish.
Esophagus is the correct answer.