A store sells milk, bread, water and peanut butter. Customer X bought bread, customer Y bought water and milk, and customer Z bought bread and peanut butter. Which of the following statements is/are true?
The matching coefficient of X and Y is 0.
The Jaquard's Coefficient of X and Z is 1.
The matching coefficient of Y and Z is equal to the Jaquard's Coefficient of Y and Z.