Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true

Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

Some classes are theories. Some theories are lessons. Conclusions:

I.             All classes can never be lessons.

II.            All theories being classes is a possibility.

A.            Only conclusion I follows

B.            Both conclusions I and II follow

C.            Only conclusion II follows

D.            Neither conclusion I nor II follows

Sol: