What would have happened to Sansa Stark if she was defeated and captured by Cersei in the final season?

Game of Thrones question similar to another I have asked,
I was wondering if Cersei still blames her for her sons death and would she let her live, maybe as a hostage to keep the north in check or to make her submit and be loyal.
I like to think Sansa would agree to bend the knee to Cersei.
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