An empirical study can be systematic.Logical formLearned from16 sentences. Co-operation can be systematic.Logical formLearned from16 sentences. A garden can be systematic.Logical formLearned from16 sentences. Employment can be systematic.Logical formLearned from16 sentences. An ichthyology can be systematic.Logical formLearned from16 sentences. A litigation can be systematic.Logical formLearned from16 sentences. A grid can be systematic.Logical formLearned from16 sentences. Murders can be systematic.Logical formLearned from16 sentences. A geography can be systematic.Logical formLearned from16 sentences. A coherence can be systematic.Logical formLearned from16 sentences. Opportunities can be systematic.Logical formLearned from16 sentences. A taxonomy can be systematic.Logical formLearned from16 sentences. (Doping practices) can be systematic.Logical formLearned from16 sentences. A network can be systematic.Logical formLearned from16 sentences. Work can be systematic.Logical formLearned from16 sentences.