 And although Clemente is capable of lying, he is quick to tell the truth when pressed by both Andrés and Preciosa.Another example of the dichotomous nature of truth and deception in the story is that of Preciosa's grandmother.Despite the fact that she has made a career out of deception, she chooses to tell Don Fernando de Acevedo and Doña Guiomar de Meneses the truth about her kidnapping of their daughter, Preciosa.