static String toy = "A a\nB b\nC c\nD d\nB b\nC c\n";
public void testStartState() {
Pipe p = new SerialPipes(new Pipe[] {
new LineGroupString2TokenSequence(),
new TokenSequenceMatchDataAndTarget(Pattern
.compile("^(\\S+) (.*)"), 2, 1),
new TokenSequenceParseFeatureString(false), new TokenText(),
new TokenSequence2FeatureVectorSequence(true, false),
new Target2LabelSequence(), new PrintInputAndTarget(), });