Directions: In a certain coding system,
A % B means A is greater than B.
A & B means A is not greater than B.
A # B means A is either greater than or equal to B.
A $ B means A is neither greater than nor smaller than B.
A @ B means A is neither greater than nor equal to B.
Statements:
T & Y # R, E @ D
Which of the following statement are needed to prove Y ≥ D?
I. R @ O # E
II. D & T @ K
Data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
Data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
Data in Statement I alone or in Statement II alone are sufficient to answer the question.
Data in both the Statements I and II together are necessary to answer the question.