<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def resolve_remove_symbols(self, r, target_group_ids, rgroups):
 """Resolve the resources security groups that need be modified. Specifically handles symbolic names that match annotations from policy filters for groups being removed. """

        if 'matched' in target_group_ids:
            return r.get('c7n:matched-security-groups', ())
        elif 'network-location' in target_group_ids:
            for reason in r.get('c7n:NetworkLocation', ()):
                if reason['reason'] == 'SecurityGroupMismatch':
                    return list(reason['security-groups'])
        elif 'all' in target_group_ids:
            return rgroups
        return target_group_ids