innerLearner = new RPNIUniversalLearner(PickNegativesVisualiser.this, conf);// at this point ifthenSequences will always be null.
innerLearner.addObserver(PickNegativesVisualiser.this);
Learner mainDecorator = new AutoAnswers(innerLearner);
if (conf.labelDetails != null)
mainDecorator = new SmtLearnerDecorator(mainDecorator,conf.labelDetails);
if (whomToNotify != null) whomToNotify.threadStarted();
LearnerGraph graph = mainDecorator.learnMachine(sPlus, sMinus);
if (graph != null)
{
DirectedSparseGraph learnt = graph.pathroutines.getGraph();