@Test
public final void testNumberMatching() {
Sentence s = ConversationParser.parse("zero");
assertFalse(s.hasError());
assertTrue(s.matchesNormalized("zero"));
assertTrue(s.matchesNormalized("0"));
s = ConversationParser.parse("no");
assertFalse(s.hasError());
assertTrue(s.matchesNormalized("no"));
assertTrue(s.matchesNormalized("0"));