A proportion may pertain-to a contribution.Logical formLearned from13 sentences. A contribution can be to English literature.Logical formLearned from13 sentences. Contributions can be from some individuals.Logical formLearned from13 sentences. Limits can be for contributions.Logical formLearned from13 sentences. A (troop contribution) can be to a country.Logical formLearned from13 sentences. A ceiling can be for contributions.Logical formLearned from13 sentences. Candidates may accept contributions.Logical formLearned from13 sentences. Contributions can be behind-the-scenes.Logical formLearned from13 sentences. A book can be a contribution to a debate.Logical formLearned from13 sentences. A male may receive (campaign contributions).Logical formLearned from13 sentences. A contribution may be given.Logical formLearned from13 sentences. Contributions can be to a study.Logical formLearned from13 sentences. Contributions can be from indian tribes.Logical formLearned from13 sentences. A story may pertain-to contributions.Logical formLearned from13 sentences. A contribution may pertain-to a road.Logical formLearned from13 sentences.