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Assertion (A): Syntax analysis and semantic analysis are kept as separate phases.
Reason (R): Context free grammars can express the form of a program but not the relationships between distant parts of it.

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

Answer: B

Both are true and the reason gives the mechanism, and the division reflects a genuine limit of the formalism. Attempting to force declaration rules into the grammar would make it enormous and still not cover every case.

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