An obligation can be positive.Logical formLearned from196 sentences. A language can be positive.Logical formLearned from195 sentences. Conclusions can be positive.Logical formLearned from194 sentences. A context can be positive.Logical formLearned from194 sentences. Economic indicators can be positive.Logical formLearned from194 sentences. Lessons can be positive.Logical formLearned from193 sentences. Interventions can be positive.Logical formLearned from192 sentences. A (skin test) can be positive.Logical formLearned from191 sentences. A year can be positive.Logical formLearned from191 sentences. An id can be positive.Logical formLearned from190 sentences. A mind can be positive.Logical formLearned from190 sentences. Approaches can be positive.Logical formLearned from188 sentences. Critical reviews can be positive.Logical formLearned from187 sentences. Some reviews can be positive.Logical formLearned from187 sentences. A week can be positive.Logical formLearned from187 sentences.