No one will be admitted into National law school unless he or she studies hard for the law entrance. No one studied hard for the law entrance. Unless he or she was not a graduate from Sambhav university. Which of the following conclusion necessarily follows from the above statement?

• A.Some graduates of Sambhav university were admitted to National Law School
• B.No graduate of Sambhav University was admitted into National Law School
• C.All graduates of the Sambhav University studied hard for the law entrance
• D.Only graduate of the Sambhav University did well on the law entrance