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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def entails(self, entailed_independencies):
 """ Returns `True` if the `entailed_independencies` are implied by this `Independencies`-object, otherwise `False`. Entailment is checked using the semi-graphoid axioms. Might be very slow if more than six variables are involved. Parameters entailed_independencies: Independencies()-object Examples -------- True False """

        if not isinstance(entailed_independencies, Independencies):
            return False

        implications = self.closure().get_assertions()
        return all(ind in implications for ind in entailed_independencies.get_assertions())