Use of <Line></Line> in InlineUIContainer RichTextBlock?

I have used RichTextBlock for listing particular details. In this i want 'Line' after each paragraph of RichTextBlock. So I used in InLineUIContiner.But its not working.Where i missed it. How can i achive this .Please help me.

 

  

I want like as below:

 

Address 1:

-------------------

Address 2:

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I used in InLineUIContainer.But i didnot see any differences.