A male may be replaced by a bishop.Logical formLearned from5 sentences. Persons may replace a country.Logical formLearned from5 sentences. A congressman may replace a male.Logical formLearned from5 sentences. Nickel may replace silver.Logical formLearned from5 sentences. Lenses may be replaced.Logical formLearned from5 sentences. Trucks may be replaced.Logical formLearned from5 sentences. A person may replace a male on bass.Logical formLearned from5 sentences. An instrument may be replaced.Logical formLearned from5 sentences. A piston may be replaced.Logical formLearned from5 sentences. Quarks may be replaced by antiquarks.Logical formLearned from5 sentences. A male may replace actor.Logical formLearned from5 sentences. (Vacuum tubes) may be replaced by transistors.Logical formLearned from5 sentences. Missiles may be replaced.Logical formLearned from5 sentences. A structure may be replaced by a (brick building).Logical formLearned from5 sentences. Some references may be replaced by (cookie jar references).Logical formLearned from5 sentences.