Tableau Follows the below sequence(Precedence) while performing multiple filters.
1) Extract Filters
2) Data Base Filters
3) Context Filters
4) Dimension Filters
5) Measure Filters
6) Table Calculation Filters
If we use Context Filters on any of the Dimension then it execute first then other filters those exist in the current visualization, i.e.
Context Filter is independent & this one execute first then followed by the sequence which specified above.