Truth$-$Tables $(6$ points$)$

Use the truth$-$tables below to answer the questions. Indicate which feature of the truth$-$table you are appealing to in your answer. You can type your answers in the table and below it as appropriate.

$5.$ Complete the column of Ts and Fs under the main connective $($operator$).$ Is the sentence contingent, necessarily true, or necessarily false? How do you know?

$\backslash$table$[[,P,Q,(QvvP)$&$(PvvQ)$