This question is about bound and free variables in predicate wffs. Pick the correct answer for each statement.

Question 1 options:

123	x ((P(x) Q(y)) y R(x, y))
123	x (P(x) y R(x, y))
123	x P(x) y R(x, y)
123	x ((P(x) Q(x)) y R(x, y))

1.	No variables are free, they are all bound
2.	x is free and y is bound
3.	y is free and x is bound