A treaty can be unofficial.Logical formLearned from14 sentences. A set can be unofficial.Logical formLearned from14 sentences. Crossings can be unofficial.Logical formLearned from14 sentences. Candidates can be unofficial.Logical formLearned from14 sentences. A training can be unofficial.Logical formLearned from14 sentences. (Peace talks) can be unofficial.Logical formLearned from14 sentences. Envoys can be unofficial.Logical formLearned from14 sentences. A (stock exchange) can be unofficial.Logical formLearned from14 sentences. A consultation can be unofficial.Logical formLearned from13 sentences. A meeting can be unofficial.Logical formLearned from13 sentences. A coat can be unofficial.Logical formLearned from13 sentences. Capacities can be unofficial.Logical formLearned from13 sentences. Championships can be unofficial.Logical formLearned from13 sentences. Anthems can be unofficial.Logical formLearned from13 sentences. A festival can be unofficial.Logical formLearned from13 sentences.