Combine Entity Classes
Version 12 adds CombinedEntityClass, which allows you to combine two classes of entities by forming combinations of member entities of class one with member entities of class two that satisfy a condition. The entities of the resulting class have properties from both classes.
Using SampledEntityClass, one can represent a slice of this class.
Look at some member entities.
Filter country-language pairs by where you can greet people by saying "Guten Tag".
Introduce a property that indicates the likelihood of being understood using ExtendedEntityClass.
Make a map of the likelihood.