Assertion (A): Parliament or a State Legislature should keep within the domain assigned to it and one should not trespass into the domain reserved for the other. Reason (R): Legislation will be invalid if it encroaches on matters which have been assigned to another legislature. Codes:

• A.  Both A and R are individually true and R is the correct explanation of A
• B.  Both A and R are individually true but R is not the correct explanation of A
• C.  A is true but R is false
• D.  A is false but R is true