Sons may pertain-to a president.Logical formLearned from109 sentences. A son may pertain-to a king.Logical formLearned from109 sentences. A son can be lucky.Logical formLearned from109 sentences. A female may marry a son.Logical formLearned from109 sentences. A male can be a father of some sons.Logical formLearned from108 sentences. A male can be a son of parents.Logical formLearned from108 sentences. A doctor may mourn a loss of a son.Logical formLearned from108 sentences. A son may make a decision.Logical formLearned from108 sentences. A son can be a president.Logical formLearned from108 sentences. A son may pertain-to a doctor.Logical formLearned from108 sentences. A suicide may pertain-to a son.Logical formLearned from107 sentences. A male can be a son of a colonel.Logical formLearned from107 sentences. A person may have some son.Logical formLearned from107 sentences. Son may be found.Logical formLearned from107 sentences. A son can be a player.Logical formLearned from107 sentences.