Which of the following is not a statement?

Write the negation of the following statement:
The number $2$ is greater than $7.$

Consider the following statements:
$r: \text{If } p \to q \text{ is false, then } p \lor q \text{ is false.}$
$s: \text{If } p \leftrightarrow q \text{ is false, then } p \lor q \text{ is false.}$
The truth values of $r \to s$ and $s \to r$ are respectively . . . . . .

Consider the following statements.
$p$: If $3^4 > 4^3$, then $3^3 > 4^4$
$q$: The roots of the equation $x^2 - 2x + 2 = 0$ are real if and only if Mumbai is in Maharashtra.
$r$: Statement $p$ is true or statement $q$ is false.
Which of the following has truth value $T$ (true)?

The negation of the Boolean expression $\sim s \vee (\sim r \wedge s)$ is equivalent to

The contrapositive of the statement,"If two lines do not intersect in the same plane,then they are parallel," is: