A son may come from a country.Logical formLearned from22 sentences. A male can be a son of a US-president.Logical formLearned from22 sentences. A male may abandon a son.Logical formLearned from22 sentences. A son can be in a male.Logical formLearned from22 sentences. A son may be opened.Logical formLearned from22 sentences. A son may become a king.Logical formLearned from22 sentences. A son can be drunk.Logical formLearned from22 sentences. A son may take_over a (family business).Logical formLearned from22 sentences. Sons can be constituted-of-or-filled-with darkness.Logical formLearned from22 sentences. A son may be published.Logical formLearned from22 sentences. A son may maintain that something-is-the-case.Logical formLearned from22 sentences. Contrast can be to a son.Logical formLearned from22 sentences. A son may find himself.Logical formLearned from22 sentences. A mind may pertain-to a son.Logical formLearned from22 sentences. Habits may pertain-to a son.Logical formLearned from22 sentences.