- 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 Statement I, DOG is common to the first two phrases (= 'na'), giving CAT = 'π', DOG = 'na', PIG = 'to', consistent with the third phrase. Statement II is irrelevant to the code.
Answer: D) Statement I alone is sufficient but Statement II alone is not