Complex sentence: However, not all countries have legal standards defining what free range means for example the U.S. Department of Agriculture has no standard thus allowing egg producers to freely label, in theory, any egg as free range eggs.
Split into simpler sentences: However, not all countries have legal standards defining what free range means. For example the U.S. Department of Agriculture has no standard thus allowing egg producers to freely label, in theory, any egg as free range eggs.