What is the relationship between "Some P are not S" and "Some P are S"?

A) subcontraries
B) contradictories
C) converses
D) obverses
E) subalternates

Subcontraries

In logic, two propositions that can both be true but cannot both be false, used particularly in the context of categorical propositions.

Contradictories

Logical opposites, where one statement denies the truth of the other statement.

Converses

In logic and mathematics, converses refer to statements in which the hypothesis and the conclusion of a conditional statement are swapped.