Match the following:

List-I	List-II
a. Contrary	1. Both propositions cannot be true our false together
b. Sub-contrary	2. Truth of the universal proposition implies truth of the particular proposition
c. Sub-alternation	3. Both propositions can be true but cannot be false
d. Contradictory	4. Both propositions can't be true but can be false

A. a-2, b-3, c-4, d-1

B. a-4, b-3, c-2, d-1

C. a-3, b-4, c-1, d-2

D. a-1, b-2, c-3, d-4

Answer: Option B