(A) : Amphetamine is a systhetic stimulant of CNS.
(R) : It is also used to relieve nasal congestion .
A. If both (A) and (R) are true and (R) is the correct explanation of (A).
B. If both (A) and (R) are true but (R) is not the correct explanation of (A).
C. If (A) is true but (R) is false.
D. If both (A) and (R) are false.
