Consider the following Boolean function: $F=+a(\frac{?}{\text{b}\text{a}\text{r}}(c)+b)(b\frac{+}{b}ar(c)).$

$($a$)$ build the truth table for the pull$-$up network.

$($b$)$ build the truth table for the pull$-$down network.

$($c$)$ build the truth table for $F.$