def METHOD_NAME(self):
    """Test that each sentence is written on one line."""
    for p in self.paragraphs:
        lines = p['paragraph'].split('\n')
        for line in lines:
            line = line.strip()
            if not line or line == '&nbsp;':
                continue
            self.assertTrue(
                line.endswith('.') or line.endswith(':') or line.endswith('!') or line.endswith('?'),
                msg='"%s": The following line does not end correctly: "%s"' % (p['md'], line)
            )
            self.assertFalse(
                re.match(r'^[a-z]', line),
                msg='"%s": The following line is starting with a lower case: "%s"' % (p['md'], line)
            )