Assertion (A**) :** The person with Diabetes insipidus feels thirsty.
Reason (R**) :** A person with Diabetes insipidus suffers from excess secretion of vasopressin.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and Rare individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) Ais false but R is true