If $\sim p \to q$ is false and $q \leftrightarrow r$ is false, then the truth value of $(p, q, r)$ is...

Which of the following sentences are statements? Give reasons for your answer.
$Today$ is a windy day.

Find the component statements of the following compound statement:
It is raining and it is cold.

Consider statements $p: S_1$ is closed; $q: S_2$ is closed; $r: S_3$ is closed. The simplified equivalent circuit diagram and its logical statement for the switching circuit is respectively.

The dual of the statement pattern $(p \land \sim q) \to (q \land \sim p)$ is equivalent to

If $p: 25$ is an odd prime number.
$q: 14$ is a composite number and
$r: 64$ is a perfect square number.
Then which of the following statement patterns is true?