Mathematics Question on validating statements

Question

If $p \Rightarrow (q \vee r)$ is false, then the truth values of $p, q, r$ are respectively

Answer 1

Solution

$p \Rightarrow q \vee r$ is false when $p$ is true and $q \vee r$ is false, and $q \vee r$ is false when both $q$ and $r$ are false.
Hence truth values of $p, q, r$ are respectively T, F, F