hi i'm having troubles to predict a result using weka .Net

Apr 25 2018 8:53 AM
I need to predict a value from an .arff of weka using visual studio windows form. the arff is like this(this is not the arff, this is an example of how it looks like):
 
@relation Inf
@attribute ano real
@attribute matricula real
@data
1,100
2,110
3,120
4,130
5,?
 
and i nned an example code. please