Silvana, J. 87, is an opera by Carl Maria von Weber, first performed in Frankfurt am Main on 16 September 1810. The libretto, by , is a reworking of an earlier, unsuccessful opera by Weber, "Das Waldmädchen ". Weber also reused music from the same piece in "Silvana".

Choose your answer: based on the paragraph above can we conclude that "Carl Maria von Weber also wrote symphonies"?

OPTIONS:
a). Yes.
b). It's impossible to say.
c). No.
I think the answer is
b).