Explanations can be positive.Logical formLearned from14 sentences. A song can be positive.Logical formLearned from14 sentences. Reviews of a book can be positive.Logical formLearned from14 sentences. A sighting can be positive.Logical formLearned from14 sentences. A surface can be positive.Logical formLearned from14 sentences. A fraction can be positive.Logical formLearned from14 sentences. Negotiations can be positive.Logical formLearned from14 sentences. A positive integer can be given.Logical formLearned from14 sentences. A friend can be positive.Logical formLearned from14 sentences. A covariance can be positive.Logical formLearned from14 sentences. Cells can be positive.Logical formLearned from14 sentences. Voltages can be positive.Logical formLearned from14 sentences. A scalar can be positive.Logical formLearned from14 sentences. A sentence can be positive.Logical formLearned from14 sentences. An activism can be positive.Logical formLearned from14 sentences.