$$\left. \begin{array} { l } { B = 3 , 1 , 4 , 10 = 92 , 87 , 85 , 80 } \\ { B = ? } \end{array} \right.$$
$B=3,\ \text{false},\ a=1,\ b=4,\ c=87,\ d=85,\ \text{false},\ f=B$
