Using Boolean algebra, reduce the expression $Y=A^{\text{'}}{B}^{\text{'}}C+A^{\text{'}}BC+A{B}^{\text{'}}C+$ABC to the minimum number of literals.

$r=c$

$Y=BC+A{B}^{\text{'}}C+A{B}^{-C}C$

$Y=BC+BC$

$Y=BC+BC+A^{\text{'}}+A$