帮我分析一下这句话的语法结构.

题目

帮我分析一下这句话的语法结构.
Primarily,the banker-customer relationship is that of debtor and creditor -- who is which depending on whether the customer's account is in credit or is overdrawn.
特别是那个独立主格讲的详细一些

答案

Primarily是状语 ,the banker-customer relationship是主语is是系动词 that of debtor and creditor是表语 that是指示代词 代替前面的 relationship后面是 并列的句子 relationship-- who是主语 is 是系动词 which是...