Match List-I with List-II and select the correct answer:

List-I (Obvertend)	List-II (Obverse)
a. Some S is not-P	1. Some S is not non-P
b. No S is P	2. No S is non-P
c. Some S is P	3. Some S is non-P
d. All S is P	4. All S is non-P