Improve the coherence in this paragraph
It is known that the only way singularities can occur in solutions is in the form of breaking waves. From the knowledge of a smooth initial profile it is possible to predict (via a necessary and sufficient condition) whether wave breaking occurs or not.
It is known that the only way singularities can occur in solutions is in the form of breaking waves. Moreover, from the knowledge of a smooth initial profile it is possible to predict (via a necessary and sufficient condition) whether wave breaking occurs or not.