Reference can be to an article.Logical formLearned from103 sentences. References can be to a country.Logical formLearned from102 sentences. A reference may pertain-to a writer.Logical formLearned from102 sentences. A woman may say a reference to a kneeling.Logical formLearned from102 sentences. A reference can be to a president.Logical formLearned from102 sentences. Reference can be to mortgages.Logical formLearned from101 sentences. A reference can be negative.Logical formLearned from101 sentences. Reference can be to an agreement.Logical formLearned from101 sentences. References can be to work.Logical formLearned from100 sentences. References may be given.Logical formLearned from100 sentences. A reference can be popular.Logical formLearned from98 sentences. References can be sly.Logical formLearned from97 sentences. A (reference number) may pertain-to a person.Logical formLearned from97 sentences. References can be to films.Logical formLearned from97 sentences. Reference can be to a continent.Logical formLearned from96 sentences.