Regattas may feature some (boat classes).Logical formLearned from2 sentences. Results can be at a (yachting regatta).Logical formLearned from2 sentences. A project may fill in a (regatta lagoon).Logical formLearned from2 sentences. A venue can be for regattas.Logical formLearned from2 sentences. Regattas can be at a world-city.Logical formLearned from2 sentences. A (qualification regatta) can be in a world-city.Logical formLearned from2 sentences. Berths may be allocated at some regattas.Logical formLearned from2 sentences. A regatta can be for rowing.Logical formLearned from2 sentences. Championships can be (sailing regattas).Logical formLearned from2 sentences. (Sailing regattas) can be international.Logical formLearned from2 sentences. (Sailing regattas) can be in a class.Logical formLearned from2 sentences. A (rowing regatta) may be held.Logical formLearned from2 sentences. A male may compete in a regatta.Logical formLearned from2 sentences. Some regatta may be held in a (capital city).Logical formLearned from2 sentences. Part can be in regattas.Logical formLearned from2 sentences.