Question 2 (6 points) For the following wff, pick an interpretation that makes the wff true. (1x) (P(x) (3y) Q(y, x)) | Domain of discourse is Z, P(x) is "x is a prime number" and Q(x, y) is "X = 2.7" Domain of discourse is N, P(x) is "x is an even number" and Q(x, y) is "X = 2.7" Domain of discourse is N, P(x) is "x is a prime number" and Q(x, y) is "x = 2.y" Question 3 (2 points) The wff (vx) (P(x) (3y) Q(y, x)) is not valid. True False