A nephew can be powerful.Logical formLearned from14 sentences. An electrical storm can be powerful.Logical formLearned from14 sentences. A (pain killer) can be powerful.Logical formLearned from14 sentences. An industrial union can be powerful.Logical formLearned from14 sentences. A barrage can be powerful.Logical formLearned from14 sentences. A west can be powerful.Logical formLearned from14 sentences. An (investment arm) can be powerful.Logical formLearned from14 sentences. A (trade union body) can be powerful.Logical formLearned from14 sentences. Packs can be powerful.Logical formLearned from14 sentences. A carbomb can be powerful.Logical formLearned from14 sentences. (Trading blocs) can be powerful.Logical formLearned from14 sentences. A nuclear deterrent can be powerful.Logical formLearned from13 sentences. Indications can be powerful.Logical formLearned from13 sentences. Opposition can be powerful.Logical formLearned from13 sentences. An optical telescope can be powerful.Logical formLearned from13 sentences.