Analysis Services 2000 (data Mining)

i create a model mining

CREATE MINING MODEL [a'S]
( [Cusid] LONG KEY ,
[Orderdetails] TABLE PREDICT ([Productid] LONG KEY )
) USING Microsoft_Decision_Trees

i can show for customer some products other when he choise a product.

ect: he choise A, i show he B, C, D ....

but for that, i must know his cusid.

now i want show B,C,D when one man choise A ( i don't know his cusid). how i do that.

( i'm using sql server and analysis service 2000)