Some unsuccessful high schools are institutions threatened with closure. Therefore, some institutions not threatened with closure are successful high schools.
A) Invalid, illicit subcontrary.
B) Valid.
C) Invalid, illicit conversion.
D) Invalid, illicit contraposition.
E) Invalid, illicit subalternation.

Question

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The Answer of Some unsuccessful high schools are institutions threatened with closure. Therefore, some institutions not threatened with closure are successful high schools.
A) Invalid, illicit subcontrary.
B) Valid.
C) Invalid, illicit conversion.
D) Invalid, illicit contraposition.
E) Invalid, illicit subalternation.

Some Unsuccessful High Schools Are Institutions Threatened with Closure