Some pitots may be replaced.Logical formLearned from13 sentences. A tree may be replaced.Logical formLearned from13 sentences. Locks may be replaced.Logical formLearned from13 sentences. A device may be replaced by a model.Logical formLearned from13 sentences. Light-water reactors may replace reactors.Logical formLearned from13 sentences. A person may replace quarterback.Logical formLearned from13 sentences. A male may be replaced by a dictator.Logical formLearned from13 sentences. A male may be replaced by a protege.Logical formLearned from13 sentences. A president may replace a male with a male.Logical formLearned from13 sentences. Tarpaulins may replace roofs.Logical formLearned from13 sentences. A term may replace a president.Logical formLearned from13 sentences. Military observers may replace some peacekeepers.Logical formLearned from13 sentences. A person may replace aides.Logical formLearned from13 sentences. Persons may replace a male with a male.Logical formLearned from13 sentences. Some law may replace a prohibition.Logical formLearned from13 sentences.