Could you do me a favor ?   Sure . What is it ?   Could you run over to the store ? We need a few things .   All right . What do you want me to get ?   Well , could you pick up some sugar ?   Okay . How much ?   A small bag . I guess we also need a few oranges .   How many ?   Oh , let's see . . . About six .   Anything else ?   Yes . We're out of milk .   Okay . How much do you want me to get ? A gallon ?   No . I think a half gallon will be enough . 