A son may take a submarine.Logical formLearned from18 sentences. Knowledge may pertain-to a son.Logical formLearned from18 sentences. A son may pertain-to a tailor.Logical formLearned from18 sentences. A glimpse may pertain-to a native son.Logical formLearned from18 sentences. A son may undergo surgery.Logical formLearned from18 sentences. A son may undergo killings.Logical formLearned from18 sentences. A son may survive.Logical formLearned from18 sentences. A trainer may pertain-to a son.Logical formLearned from18 sentences. A porsche may include a son.Logical formLearned from18 sentences. A son may pertain-to a deputy.Logical formLearned from18 sentences. A son may die a year.Logical formLearned from18 sentences. A cabinet may pertain-to a son.Logical formLearned from18 sentences. A son may warn.Logical formLearned from18 sentences. A mother can be to some sons.Logical formLearned from18 sentences. A defense may pertain-to a son.Logical formLearned from18 sentences.