(a) The Navy has changed its rules and appointed two women to be in charge of warships and look after 12 crew members. Both women are in their late twenties and have considerable experience. There are now about 700 women at sea, but discussions are taking place as to whether they are to be allowed to serve on board submarines or keep to the warships only.
(b) A 14-year-old boy has become the world's youngest millionaire but has made his money by selling. (Correction: Either "selling goods" or "selling something" should be added to make the sentence complete and grammatically correct.)