The standard answer set in a new drill are the known answer set (the question) and the unknown answer set (the answer).
A second unknown answer set can be useful for certain forms of learning. For example, you can put the Dutch word in the well-known answer set, in the first unknown answer set the Spanish translation and in the second unknown answer set the English translation of this word.
To create a new answer set, click on the plus sign next to answer (see image below). A new column can be created to add a new unknown answer set.
The answer set can be updated in the question setting: