what is the MOST effective way to revise sentence 6?

Her research paper was due on Friday, and though the topic-ranatees- interested her, writing about it did not.

Her research due on Friday, and though the topic interested her, writing about it did not.

Her research paper, due on the topic that interested her but the about it that did not.

Her paper was due on though the topic and writing about it her, It did not.

In the passage srubburn in the right direction

Her paper, which was due on Friday, did not interest her in writing about the topic.