<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _parse_content(self, text):
        '''Try to parse as HAL, but on failure use an empty dict'''
        try:
            return super(OrphanHALNavigator, self)._parse_content(text)
        except exc.UnexpectedlyNotJSON:
            return {}