References can be in a text.Logical formLearned from83 sentences. A reference can be to an object.Logical formLearned from83 sentences. Reference can be to persons.Logical formLearned from83 sentences. Reference can be to him-or-herself.Logical formLearned from83 sentences. A reference may be made.Logical formLearned from83 sentences. A bibliography can be constituted-of-or-filled-with references.Logical formLearned from83 sentences. Reference can be to a time.Logical formLearned from82 sentences. References can be to religion.Logical formLearned from82 sentences. A reference can be to sanctions.Logical formLearned from82 sentences. A reference can be to a scene.Logical formLearned from81 sentences. Incorporation can be by reference.Logical formLearned from81 sentences. References can be verbal.Logical formLearned from81 sentences. A reference may pertain-to a political-leader.Logical formLearned from81 sentences. Reference can be to a need.Logical formLearned from81 sentences. A reference can be to a refusal.Logical formLearned from81 sentences.