Persons may have a frame of reference.Logical formLearned from35 sentences. References may be found in an article.Logical formLearned from34 sentences. References can be without support.Logical formLearned from34 sentences. Some references can be to a literary-work.Logical formLearned from34 sentences. A reference can be to a play.Logical formLearned from34 sentences. A reference can be to an instance.Logical formLearned from34 sentences. A reference can be bibliographical.Logical formLearned from34 sentences. References may abound.Logical formLearned from34 sentences. A reference can be fixed.Logical formLearned from34 sentences. A reference can be vital.Logical formLearned from34 sentences. Reference can be to an origin.Logical formLearned from34 sentences. Examples of a (reference style) may be shown.Logical formLearned from34 sentences. References may pertain-to a US-city.Logical formLearned from34 sentences. Reference can be to a self.Logical formLearned from34 sentences. Reference can be to years.Logical formLearned from34 sentences.