'Return the \'choosen one\'
Return a tuple with prop1, prop2 if we cant resolve conflict.'

def tieBreak(self, key, prop1, prop2):

    if (key == 'response'):
        return self._resolve_response(prop1, prop2)
    if (key == 'status'):
        if ((prop1 == 'closed') or (prop1 == 're-opened')):
            return 're-opened'
        if (prop1 == 'risk-accepted'):
            return 'risk-accepted'
    if (key == 'confirmed'):
        return True
    return (prop1, prop2)
