$$\left. \begin{array} { l } { A = \{ 1 , 2 , 3 \} } \\ { B = \{ 2 , 3 , 4 , 5 \} } \\ { \{ f , R , B d , \} f ( x , y ) = \{ ( x , y ) \} = y = x + 1 \} } \\ { \text { ( i i ) W i n \right.$$
$A=1,\ B=2,\ a=2,\ b=3,\ c=3,\ d=4,\ \text{false}$
