In case we assume that Beethoven was insane, then Wagner was insane and vice versa.
But in case neither Beethoven nor Wagner were insane, then you can’t believe Clara Schumann.
You can believe Clara Schumann.
Taking the above statements into consideration, which among the following could not be true?
I. Both Beethoven and Wagner were insane.
II. Beethoven was insane, but Wagner not.
III. Wagner was insane, but Beethoven not.
(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III
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