An (a sample) may test positive.Logical formLearned from19 sentences. A country may test a rocket.Logical formLearned from19 sentences. A communist state may shock the world by testing a nuclear bomb.Logical formLearned from19 sentences. Some person may test positive.Logical formLearned from19 sentences. A runner may test positive.Logical formLearned from19 sentences. A will may be tested in a country.Logical formLearned from19 sentences. A midfielder may test positive.Logical formLearned from19 sentences. Employees may be tested.Logical formLearned from19 sentences. Clashes may be seen as testing a reluctance.Logical formLearned from19 sentences. A person may test students.Logical formLearned from19 sentences. A female may test positive for drugs.Logical formLearned from19 sentences. Middle-distance runner may test positive.Logical formLearned from19 sentences. An athlete may test positive for drugs.Logical formLearned from19 sentences. A country may test bombs.Logical formLearned from19 sentences. Some patients may test positive for a virus.Logical formLearned from18 sentences.