Contributions can be to a charity.Logical formLearned from23 sentences. A contribution can be to a collective security.Logical formLearned from23 sentences. Contributions may be solicited by a citizen.Logical formLearned from23 sentences. Contributions can be to a theory of (electron transfer reactions).Logical formLearned from23 sentences. A contribution can be bilateral.Logical formLearned from23 sentences. Contributions can be to fields.Logical formLearned from23 sentences. Contributions can be to architecture.Logical formLearned from23 sentences. A contribution can be by a country.Logical formLearned from23 sentences. A contribution can be all-round.Logical formLearned from23 sentences. A contribution can be to peace.Logical formLearned from23 sentences. A contribution can be to ties.Logical formLearned from22 sentences. A contribution can be detailed.Logical formLearned from22 sentences. Contributions can be to construction.Logical formLearned from22 sentences. Contributions can be to music.Logical formLearned from22 sentences. Contributions can be for government.Logical formLearned from22 sentences.