Let $p, q, r$ be the following three statements:

$p : n$ is prime

$q : n$ is odd

$r : n$ is 2

Then $p\to q\vee r$ means 

If $n$ is prime then $n$ is odd or 2

If $n$ is prime and odd then $n$ cannot be 2

If $n$ is odd or 2 then $n$ is prime

If $n$ is odd then $n$ is prime or 2