A serologic test can be positive.Logical formLearned from13 sentences. A prefix can be positive.Logical formLearned from13 sentences. Contours can be positive.Logical formLearned from13 sentences. A positive result can be confirmed.Logical formLearned from13 sentences. A behavioural change can be positive.Logical formLearned from13 sentences. A necessity can be positive.Logical formLearned from13 sentences. An inclusion can be positive.Logical formLearned from13 sentences. A coliform can be positive.Logical formLearned from13 sentences. An attack can be positive.Logical formLearned from13 sentences. A bent can be positive.Logical formLearned from13 sentences. A restructuring can be positive.Logical formLearned from13 sentences. A proof can be positive.Logical formLearned from13 sentences. A grade can be positive.Logical formLearned from13 sentences. A positive correlation can be weak.Logical formLearned from13 sentences. Economic incentives can be positive.Logical formLearned from13 sentences.