texts: Excuse me . Can you tell me how to find some books on social science ? </s> <s> Sure . You see all these little drawers here and all the way around the walls ? </s> <s> Yes .
labels: These drawers contain cards describing every book in our library . Together they constitute the library's " card catalog " . You can see that each drawer runs from one part of the alphabet to another . Fox example , this drawer goes from SCA to SCM .