expression to solve this issue

[Biazo12]

ex if my data is like this

K   factor( filters are isaac, david  amd mary

C   isaac , david , mary

U isaac david mary

L  mary

A  isaac 

B  david

now if i choose all 3 factor(filter isaac , david , and mary) i dont want to see  L, A and B  cus it doesnt meet the criteria  please help