Match the following.

List-I	List-II
a. Naigam naya	1. Whereby the universal qualities are treated as absolutely real and particulars are rejected as unreal.
b. Sangraha naya	2. Whereby a thing is perceived to be having both universal and particular qualities and we fail to distinguish between them.
c. Vyavhara naya	3. Whereby the real is identified with the momentary.
d. Rjusutra naya	4. Whereby things are taken as concrete particulars.