**ATTRIBUTES

decision:	D
C1:	[a, b]
C2:	[1, 2, 3]
C3:	[+, -]
D:	[A, B]


**EXAMPLES

a	1	+	B
a	3	-	A
a	2	+	A
b	1	-	B
a	2	+	A
b	3	+	B
a	1	+	A


**END