What is the version of the following sentence with correct punctuation?

The one does not make sense without the other which is why we must have both The informal EU summit a few weeks ago confirmed very clearly that we should go ahead with this dual approach and this has also been the approach of the Danish Presidency
The one does not make sense without the other, which is why we must have both. The informal EU summit a few weeks ago confirmed very clearly that we should go ahead with this "dual approach", and this has also been the approach of the Danish Presidency.