Virtue may pertain-to contributions.Logical formLearned from16 sentences. A return can be on contributions.Logical formLearned from16 sentences. Contributions may pertain-to some years.Logical formLearned from16 sentences. Scope may pertain-to contributions.Logical formLearned from16 sentences. Contributions may pertain-to psychology.Logical formLearned from16 sentences. Contributions can be to a security.Logical formLearned from16 sentences. Contributions can be by experts.Logical formLearned from16 sentences. A contribution may pertain-to a fund.Logical formLearned from16 sentences. Contributions can be to an agency.Logical formLearned from16 sentences. Contributions may pertain-to a project.Logical formLearned from16 sentences. A contribution may pertain-to a staff.Logical formLearned from16 sentences. A contribution can be to knowledge.Logical formLearned from16 sentences. Contributions can be to (world civilization).Logical formLearned from16 sentences. Contributions can be intelligent.Logical formLearned from16 sentences. Contributions can be to discussions.Logical formLearned from16 sentences.