An article may include a reference.Logical formLearned from25 sentences. References can be to a period.Logical formLearned from25 sentences. R can be for references.Logical formLearned from25 sentences. A male may provide a reference.Logical formLearned from25 sentences. References can be masculine.Logical formLearned from25 sentences. A reference can be to sexual orientation.Logical formLearned from25 sentences. Reference can be in a text.Logical formLearned from25 sentences. Hyperlinks may be provided for a reference.Logical formLearned from25 sentences. A reference may be cited.Logical formLearned from25 sentences. A reference can be to an event.Logical formLearned from25 sentences. A reference can be to an array.Logical formLearned from25 sentences. Names can be for some references.Logical formLearned from25 sentences. A handbook can be a reference.Logical formLearned from25 sentences. Reference can be to number.Logical formLearned from25 sentences. A reference can be to a class.Logical formLearned from25 sentences.