<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_return(cls, result):
 """Extract the result, return value and context from a result object """


        return_value = None
        success = result['result']
        context = result['context']

        if 'return_value' in result:
            return_value = result['return_value']

        return success, return_value, context