ID: 3	Parent: 1	Tree
PDER	VAR\RSOP x(1) x(2) x(4) x(1) 1 0 0 x(2) 0 1 0 x(4) 0 0 1
DEP
MAP	x(1) x(1) x(2) x(2) x(3) x(1)*x(4)
IMAP	x(1) (x(1))/(1) x(2) (x(2))/(1) x(4) (x(3))/(x(1))
FOCUS
	x(4)
TAGS
	0,0,0
STACK
WBO (dim: 3)
W
J
	-2*x(1)^2*x(2)*x(4)^2-2*x(1)^3*x(2)+x(4)^4-2*x(1)*x(4)^2+x(1)^2	0
c	0
E,a
	x(1)	0