A male may contribute to a country.Logical formLearned from16 sentences. A continent may contribute.Logical formLearned from16 sentences. Some nations may contribute troops to a force.Logical formLearned from16 sentences. An insider may contribute to problems.Logical formLearned from16 sentences. Net exports may contribute to growth.Logical formLearned from16 sentences. Statements may contribute to a destabilization.Logical formLearned from16 sentences. A (steering problem) may contribute to rollovers.Logical formLearned from16 sentences. Policies may contribute to growth.Logical formLearned from16 sentences. Deforestation may contribute to a disaster.Logical formLearned from16 sentences. (Construction methods) may contribute to a (mass destruciton).Logical formLearned from16 sentences. A country may contribute to a reconstruction.Logical formLearned from16 sentences. A country may contribute to a downfall.Logical formLearned from16 sentences. Researcher may contribute to a study.Logical formLearned from16 sentences. A country may contribute a share.Logical formLearned from16 sentences. A country may contribute a lot.Logical formLearned from15 sentences.