Complex sentence: Yet, Anthony notes that the validity of such deep relationships cannot be reliably demonstrated due to the time-depth involved, and also notes that the similarities may be explained by borrowings from PIE into proto-Uralic.
Split into simpler sentences: Yet, Anthony notes that the validity of such deep relationships cannot be reliably demonstrated due to the time-depth involved. Anthony also notes that the similarities may be explained by borrowings from PIE into proto-Uralic.