dl n = 4, nm = 2
labels:
GroupA,GroupB,GroupC,GroupD
matrix labels:
Marriage,Business
data:
0 1 0 1
1 0 0 0
0 0 1 0
1 0 0 1

0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0