Assume that $x$ and $y$ are Boolean variables. Consider the following logical expressions.

Which of the following statements most accurately describes evaluation of the expressions?

The expressions are only true if $x$ is true.

The expressions are only false if $y$ is false.

The first expression is true if NOT $x$ OR $y$ is true.

The second expression is true if OR $y$ is true.

The second expression is only true if OR $y)$ and $(y$ AND $($NOT y$))$ are both true.