Duplicate Cards in Card Sort Activity

I’ve created a card sort activity matching a function with its domain and range and I have duplicate cards for domain and range. How can I get the answer key check to accept either duplicate card as correct.

Card sorts only allow for one key.

The totalCardsCorrect source only counts cards correct if there are no incorrectly matched cards in a group. For example, if a particular group should have 6 cards and a student gets 4 of those 6 together (and nothing else), the totalCardsCorrect will be 4. As soon as they add another card that doesn’t belong in that group, the count goes to 0.