Some students may test positive for flu.Logical formLearned from11 sentences. A laboratory may test samples.Logical formLearned from11 sentences. Favorite of a country may test positive.Logical formLearned from11 sentences. A bull may test positive for bovine tuberculosis.Logical formLearned from11 sentences. Plans can be for testing a nuclear weapon.Logical formLearned from11 sentences. Birds may test positive.Logical formLearned from11 sentences. A weightlifter may test positive.Logical formLearned from11 sentences. Some pigeons may test positive for antibodies.Logical formLearned from11 sentences. A country may test an (anti-missile missile).Logical formLearned from11 sentences. A person may test positive for nandrolone.Logical formLearned from11 sentences. A captain may test positive.Logical formLearned from11 sentences. Democracy may be tested.Logical formLearned from11 sentences. Result of (rugby union) may test between a country.Logical formLearned from11 sentences. A world-city may test a weapon.Logical formLearned from11 sentences. Some samples may be tested at a lab.Logical formLearned from10 sentences.