May I help you , madam ?   Yes . I ’ m trying to find a pair of earrings to match my necklace . Can you recommend some to me ?   Yes . Your gold necklace has a diamond pendant , and your eardrops should be   These look wonderful . Do these come with a guarantee of quality ?   Of course . If there is anything wrong with them , you can come back and show me the guarantee of quality , and then you will surely get free service .   I ’ ll take them . 