Write down the names of any two fermented beverages.
Wine is made from fermented grapes, while beer is made from fermented barley.
Two examples of fermented beverages are:
Fermented beverages are produced by microbial fermentation of carbohydrates present in fruits or grains, primarily using yeast.
Find the values of \( x, y, z \) if the matrix \( A \) satisfies the equation \( A^T A = I \), where
\[ A = \begin{bmatrix} 0 & 2y & z \\ x & y & -z \\ x & -y & z \end{bmatrix} \]