An alliance can be based.Logical formLearned from17 sentences. (Research projects) can be based.Logical formLearned from17 sentences. A background can be based.Logical formLearned from17 sentences. Researcher can be based.Logical formLearned from17 sentences. A control can be based.Logical formLearned from17 sentences. A classification can be based.Logical formLearned from17 sentences. A disease can be based.Logical formLearned from17 sentences. A black economic empowerment can be based.Logical formLearned from17 sentences. A syntax can be based.Logical formLearned from17 sentences. A (consulting firm) can be based.Logical formLearned from17 sentences. An (advocacy group) can be based.Logical formLearned from17 sentences. A chemical can be based.Logical formLearned from17 sentences. Clusters can be based.Logical formLearned from17 sentences. A journalist can be based.Logical formLearned from17 sentences. A casino can be based.Logical formLearned from17 sentences.