Assertion (A): Deficiency of antidiuretic hormone causes an increase in urination.
Reason (R): Antidiuretic hormone acts on the kidney to reabsorb water from the kidney tubules.
(a) (A) is true and (R) is false. (b) (A) is false and (R) is true.
(c) Both (A) and (R) are true. (d) Both (A) and (R) are false.