Reference can be to a conflict.Logical formLearned from43 sentences. Reference can be to remarks.Logical formLearned from43 sentences. Reference can be to topics.Logical formLearned from43 sentences. References may form.Logical formLearned from43 sentences. References may be stolen.Logical formLearned from43 sentences. A reference may be given.Logical formLearned from43 sentences. References can be required.Logical formLearned from43 sentences. References can be awesome.Logical formLearned from43 sentences. A reference can be ambiguous.Logical formLearned from43 sentences. Reference can be to sources.Logical formLearned from43 sentences. A reference can be to charges.Logical formLearned from43 sentences. References can be accurate.Logical formLearned from43 sentences. A (reference book) can be useful.Logical formLearned from43 sentences. A reference may indicate that something-is-the-case.Logical formLearned from43 sentences. A (reference check) may pertain-to a female.Logical formLearned from43 sentences.