A son may undergo an addition.Logical formLearned from19 sentences. A son may be taught.Logical formLearned from19 sentences. Sons can be active.Logical formLearned from19 sentences. A son may assume a presidency.Logical formLearned from19 sentences. Some sons may follow a male.Logical formLearned from19 sentences. A male can be a son of director.Logical formLearned from19 sentences. A son may continue a practice.Logical formLearned from19 sentences. A son may pertain-to a banker.Logical formLearned from19 sentences. A son can be a surgeon.Logical formLearned from19 sentences. A son may be spared.Logical formLearned from19 sentences. A son can be a colonel.Logical formLearned from19 sentences. Son may pertain-to a soil.Logical formLearned from19 sentences. A son may die of a (heart attack).Logical formLearned from19 sentences. A marriage can be between a son.Logical formLearned from19 sentences. A male can be an only son of a female.Logical formLearned from19 sentences.