According to the introduction to Sor Fioleta's letter and Sor Juana's "Response," which of the following statements are true?

Only two years after her "Response," Sor Juana sold her books and renounced her studies.

The most important argument in the "Response" rests on the idea that the intellect has no gender.

For Sor Juana, to speak or not to speak, to reason or not to reason is not a matter of her free will but a necessity.

The sincerity of her statements is sometimes almost impossible to judge given the rhetoric of her argument.