The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
<?xml version="1.0" encoding="UTF-8"?>
<featuremodels>
	<featuremodel name="stackswap">
		<feature>InputColumn(POSTAG, Stack[0])</feature>
		<feature>InputColumn(POSTAG, Stack[1])</feature>
		<feature>InputColumn(POSTAG, Stack[2])</feature>
		<feature>InputColumn(POSTAG, Input[0])</feature>
		<feature>InputColumn(POSTAG, Lookahead[0])</feature>
		<feature>InputColumn(POSTAG, Lookahead[1])</feature>
		<feature>InputColumn(POSTAG, Lookahead[2])</feature>
		<feature>Merge(InputColumn(POSTAG, Stack[1]), InputColumn(POSTAG, Stack[0]))</feature>
		<feature>Merge3(InputColumn(POSTAG, Stack[2]), InputColumn(POSTAG, Stack[1]), InputColumn(POSTAG, Stack[0]))</feature>
		<feature>Merge3(InputColumn(POSTAG, Stack[1]), InputColumn(POSTAG, Stack[0]), InputColumn(POSTAG, Lookahead[0]))</feature>
		<feature>Merge3(InputColumn(POSTAG, Stack[0]), InputColumn(POSTAG, Lookahead[0]), InputColumn(POSTAG, Lookahead[1]))</feature>
		<feature>Merge3(InputColumn(POSTAG, Lookahead[0]), InputColumn(POSTAG, Lookahead[1]), InputColumn(POSTAG, Lookahead[2]))</feature>
		<feature>OutputColumn(DEPREL, ldep(Stack[0]))</feature>
		<feature>OutputColumn(DEPREL, rdep(Stack[0]))</feature>
		<feature>OutputColumn(DEPREL, ldep(Stack[1]))</feature>
		<feature>OutputColumn(DEPREL, rdep(Stack[1]))</feature>
		<feature>Merge3(InputColumn(POSTAG, Stack[0]), OutputColumn(DEPREL, ldep(Stack[0])), OutputColumn(DEPREL, rdep(Stack[0])))</feature>
		<feature>Merge3(InputColumn(POSTAG, Stack[1]), OutputColumn(DEPREL, ldep(Stack[1])), OutputColumn(DEPREL, rdep(Stack[1])))</feature>
		<feature>InputColumn(FORM, Stack[0])</feature>
		<feature>InputColumn(FORM, Stack[1])</feature>
		<feature>InputColumn(FORM, Lookahead[0])</feature>
	</featuremodel>
</featuremodels>