public Result parse(final String string) throws DateNotParsableException {
        return this.parse(string, new Date());
    }
@Test
    public void testParse() throws Exception {
        NaturalDateParser.Result today = naturalDateParser.parse("today");
        assertNotNull(today.getFrom());
        assertNotNull(today.getTo());

        naturalDateParser.parse("today");
        naturalDateParser.parse("last week to today");
    }