Compare two lists in excel and find uniques and dupes -

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there 2 lists need compare, see below pic:

lists

what want compare if each id , option in left list exists or not in right list. tried use vlookup , countif dont know how deal , condition(id , option) in both of them.

how can this?

=if(countifs(k:k,h2,l:l,i2)>0,"duplicate","unique")

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