human
Solve the following python programming problem given the following code:
def bind_to_service(self, service) : 
    def wrapped_apply_to_request(req) : 
        return (self.apply_to_request (req, service) or req) 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: self, service
assistant
#Here is a proper replacement for <MASK>.
def wrapped_apply_to_request(