Truth table of Boolean function X$.$Y$.$Z$.+$ X$.$Y$.\frac{?}{\text{b}\text{a}\text{r}}(Z)+x.Y.Z.+\stackrel{}{x}.Y$ matches with

$\frac{?}{\text{b}\text{a}\text{r}}(x^{{?}^{?}}Y)$

$Y$

$Z$

More than one of the above

None of the above