eyes brown blue
height tall short
hair brown blonde
speed slow fast
handed right left
color-blind not is
number_of_toes ten eleven
earlobes detached attached
Jane Doe
0 0
1 1
0 1
1 0
1 0
1 1
1 1
0 0
John Doe
1 1
1 1
0 1
1 1
0 0
0 0
0 1
1 0