<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def concrete(self, other=None):
 """ Return copy and score after being applied other system and soft features. Args: - other(system, optional):
 system to apply just before soft features. Return(tuple):
 tuple of the resulting system and its score. """


        new_system = self.clone()
        if other:
            new_system.applyFeatures(other, missing="other")
        soft_features = self.getValue(SoftFeatures.SOFT, [])
        score = 0
        for f in sorted(soft_features, key=lambda f: f.soft, reverse=True):
            try:
                new_system.applyFeatures(f, missing="other")
                score += f.soft
            except:
                pass
        new_system.delValue(SoftFeatures.SOFT)
        return new_system, score