@RELATION test11

@ATTRIBUTE attr0	REAL
@ATTRIBUTE attr1 	REAL
@ATTRIBUTE attr2 	REAL
@ATTRIBUTE attr3	REAL
@ATTRIBUTE class 	{ class0, class1, class2, class3 }
@DATA
0.1, 0.2, 0.3, 0.4,class1
-0.1, -0.2, -0.3, -0.4,class2
1, 2, 3, 4,class3