# Price rules of the shop, first version.  One rule per line:
# NAME: IF variable IS term AND ... THEN term
R1: IF age IS near_expiry THEN big_cut
R2: IF age IS aging AND demand IS low THEN cut
R3: IF age IS aging AND demand IS normal THEN small_cut
R4: IF age IS aging AND demand IS high THEN keep
R5: IF age IS fresh AND demand IS low AND rival IS cheaper THEN small_cut
R6: IF age IS fresh AND demand IS low AND rival IS similar THEN small_cut
R7: IF age IS fresh AND demand IS low AND rival IS pricier THEN keep
R8: IF age IS fresh AND demand IS normal AND rival IS cheaper THEN small_cut
R9: IF age IS fresh AND demand IS normal AND rival IS similar THEN keep
R10: IF age IS fresh AND demand IS normal AND rival IS pricier THEN keep
R11: IF age IS fresh AND demand IS high AND rival IS cheaper THEN keep
R12: IF age IS fresh AND demand IS high AND rival IS similar THEN keep
R13: IF age IS fresh AND demand IS high AND rival IS pricier THEN raise
