Challenges can be unprecedented.Logical formLearned from1 065 sentences. Opportunities can be unprecedented.Logical formLearned from1 062 sentences. A wave can be unprecedented.Logical formLearned from1 041 sentences. Power can be unprecedented.Logical formLearned from1 037 sentences. A term can be unprecedented.Logical formLearned from969 sentences. An attack can be unprecedented.Logical formLearned from954 sentences. A degree can be unprecedented.Logical formLearned from889 sentences. A prosperity can be unprecedented.Logical formLearned from833 sentences. An action can be unprecedented.Logical formLearned from821 sentences. A meeting can be unprecedented.Logical formLearned from767 sentences. An event can be unprecedented.Logical formLearned from759 sentences. A challenge can be unprecedented.Logical formLearned from749 sentences. A demand can be unprecedented.Logical formLearned from706 sentences. A security can be unprecedented.Logical formLearned from706 sentences. A summit can be unprecedented.Logical formLearned from684 sentences.