A (world champion) can be unofficial.Logical formLearned from43 sentences. A (poet laureate) can be unofficial.Logical formLearned from42 sentences. An (exchange rate) can be unofficial.Logical formLearned from42 sentences. A community can be unofficial.Logical formLearned from42 sentences. A frontier can be unofficial.Logical formLearned from42 sentences. A king can be unofficial.Logical formLearned from41 sentences. A league can be unofficial.Logical formLearned from41 sentences. A port can be unofficial.Logical formLearned from41 sentences. A (tour guide) can be unofficial.Logical formLearned from41 sentences. A (track record) can be unofficial.Logical formLearned from41 sentences. A page can be unofficial.Logical formLearned from41 sentences. A document can be unofficial.Logical formLearned from41 sentences. Links can be unofficial.Logical formLearned from40 sentences. Releases can be unofficial.Logical formLearned from40 sentences. A translation can be unofficial.Logical formLearned from40 sentences.