- ABoth statements together are needed (neither alone is sufficient)
- BEither statement alone is sufficient
- CStatement II alone is sufficient but Statement I alone is not
- DStatement I alone is sufficient but Statement II alone is not
Step-by-Step Solution
From I alone 'good' could be pa or ni. From II alone 'good' could be sa or ni. Together, the common word 'good' maps to the common code 'ni'. Both statements together are needed.
Answer: A) Both statements together are needed (neither alone is sufficient)