describe essential properties of the mother distribution (assumed in lines 105-106), domain adaptation (DA) reduces to

Neural Information Processing Systems 

We sincerely thank all reviewers for their time and helpful comments. Below please see our response to the comments. "successful if the target data distribution is a convex combination of source distributions?" Y es, this is a This situation is like extrapolation, and additional assumptions may be needed. (by Eberhardt and Scheines, 2007). "synthetic tailored to the assumptions" & "image example with two variables."