A (firefighter son) may pertain-to a female.Logical formLearned from18 sentences. A person can be a favorite son.Logical formLearned from18 sentences. A male may do to a son.Logical formLearned from18 sentences. A male may worry about a son.Logical formLearned from18 sentences. A male may raise sons.Logical formLearned from18 sentences. A brother-in-law may pertain-to a son.Logical formLearned from18 sentences. Advice may pertain-to a son.Logical formLearned from18 sentences. A son may come to a US-city.Logical formLearned from18 sentences. A future may pertain-to sons.Logical formLearned from18 sentences. Memory may pertain-to sons.Logical formLearned from18 sentences. A son can be a chief executive.Logical formLearned from18 sentences. A father can be proud of a son.Logical formLearned from18 sentences. A love can be for sons.Logical formLearned from18 sentences. A son may pertain-to a photographer.Logical formLearned from18 sentences. A son may pertain-to an editor.Logical formLearned from18 sentences.