In this task, you will be presented with a context from an academic paper and a question separated with a
. You have to answer the question based on the context.

The main set of experiments uses a Linear Support Vector Machine (Joachims, 1998) to classify dialects using CxG features. This paper has used data-driven language mapping to select national dialects of English to be included in a global dialect identification model.
Question: What do the models that they compare predict?
national dialects of English