(E) IMP; NS vul.      S   W   N   E
    S 87632                       P
    H AQ98            P  1S   X   P
    D 87             2H  2S  3C   P
    C 98              ?

(F) MP; NS vul.      S   W   N   E
    S AK74              1C   P  1D
    H JT93           X  3D  4S  5D
    D Q83            ?
    C A6             (F1)Would you interpret a pass as forcing?(yes/no)
                     (F2)What call do you make?

(G) Rubber; none vul.   S   W   N   E
    S Q987                 1C   X   P
    H QJT8              ?
    D QJ
    C Q85

(H) IMP; NS vul.   S   W   N   E
    S 642             1C   P  1S
    H J7642        P  2N   P  3C*  *checkback
    D AQ           P  3S#  P  4S   #three spades;fewer than four hearts
    C T98          P   P   P       首引哪一張?