Consider the truth table below and select the correct expression for the function.

x y z F$1$ F$2$ F$3$ F$4$ F$5$ F$6$

$000000011$

$001000010$

$010001101$

$011010000$

$100100110$

$101111101$

$110000100$

$111111001$

a$)\backslash$Sigma $(4,5,7)$

b$)\backslash$Sigma $(3,5,7)$

c$)\backslash$Sigma $(2,5,7)$

d$)\backslash$Sigma $(2,4,5,6)$

e$)\backslash$Sigma $(0,1,4)$

f$)\backslash$Sigma $(0,2,5,7)$

g$)$ none