$($a$)$ Reduce to its absolute lowest terms: F$($xwyz$)=($x$\text{'}$w$+$xw$\text{'})($y$\text{'}$z$+$yz$\text{'})\text{'}+($x$\text{'}$w$+$xw$\text{'})\text{'}($y$\text{'}$z$+$yz$\text{'})$

$($b$)$ Draw the circuit of the correct reduced function