Read the excerpt below and answer the question.
"God bless me!” said Sancho, “did I not tell your worship to mind what you were about, for they were only windmills? and no one could have made any mistake about it but one who had something of the same kind in his head.”
“Hush, friend Sancho,” replied Don Quixote, “the fortunes of war more than any other are liable to frequent fluctuations; and moreover I think, and it is the truth, that that same sage Friston who carried off my study and books, has turned these giants into mills in order to rob me of the glory of vanquishing them, such is the enmity he bears me; but in the end his wicked arts will avail but little against my good sword."
The tone of this excerpt can best be described as _____.
confrontational
pessimistic
ironic
sentimental