References can be to events.Logical formLearned from31 sentences. References can be to groups.Logical formLearned from31 sentences. Reference can be to a controversy.Logical formLearned from31 sentences. A reference can be to a battle.Logical formLearned from31 sentences. A reference can be to a band.Logical formLearned from30 sentences. Reference can be to a period.Logical formLearned from30 sentences. References can be in a document.Logical formLearned from30 sentences. References can be to documents.Logical formLearned from30 sentences. A (reference list) may pertain-to an article.Logical formLearned from30 sentences. References can be obsolete.Logical formLearned from30 sentences. A reference to events can be coincidental.Logical formLearned from30 sentences. Reference can be to a comment.Logical formLearned from30 sentences. Regard can be to references.Logical formLearned from30 sentences. Reference can be to a truth.Logical formLearned from30 sentences. A person may love references.Logical formLearned from30 sentences.