<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def option(self, opt):
        '''
        Return options merged from config and pillar
        '''
        if 'config.merge' in self.functions:
            return self.functions['config.merge'](opt, {}, omit_master=True)
        return self.opts.get(opt, {})