<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def can_process(self, statement):
 """ Determines whether it is appropriate for this adapter to respond to the user input. """

        response = self.process(statement)
        self.cache[statement.text] = response
        return response.confidence == 1