Bidirectional Relationships and Ambiguity in DAX

https://www.sqlbi.com/articles/bidirectional-relationships-and-ambiguity-in-dax/ 

Problem is how do we sync 2 slicers without using bidirectional cross filter.

Customer slicer 1-many with Sales

Product Color slicer 1-many with Sales

We want to sync the 2 slicers; i.e. only show product color for the selected Customer.

Solution: Add filter Sales measure is not blank to the Product Color

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