Persons may demonstrate restraint.Logical formLearned from9 sentences. Studies may demonstrate effectiveness.Logical formLearned from9 sentences. Doctors may demonstrate that something-is-the-case.Logical formLearned from9 sentences. A male may demonstrate a sense of humor.Logical formLearned from9 sentences. Principles may be demonstrated.Logical formLearned from9 sentences. Patients may demonstrate improvement.Logical formLearned from9 sentences. A person may demonstrate a knack.Logical formLearned from9 sentences. A candidate may demonstrate expertise.Logical formLearned from9 sentences. Differences may demonstrate that something-is-the-case.Logical formLearned from9 sentences. A feasibility of an approach may be demonstrated.Logical formLearned from9 sentences. A state may demonstrate a need.Logical formLearned from9 sentences. Hearings may demonstrate that something-is-the-case.Logical formLearned from9 sentences. A company may demonstrate for a time.Logical formLearned from9 sentences. Achievements of an individual may demonstrate potential.Logical formLearned from9 sentences. Students may demonstrate fluency.Logical formLearned from9 sentences.