In this example, all variables are boolean

The training set consists of the following examples:

	x1 x2 x3 f
	1  0  0  0
	0  1  1  0
	1  0  1  1


The learning model consists of {AND, OR, XOR}

There error associated with each model is: 1/3, 2/3, 2/3 so AND is the best 
model.