A person may contribute some runs.Logical formLearned from22 sentences. Everyone may be contributed.Logical formLearned from22 sentences. Other nations may contribute troops.Logical formLearned from22 sentences. Persons may contribute to the world.Logical formLearned from22 sentences. A country may contribute to stability.Logical formLearned from22 sentences. A world-city may contribute.Logical formLearned from22 sentences. A country may contribute to an effort.Logical formLearned from22 sentences. A country may contribute some dollars.Logical formLearned from21 sentences. A country may contribute to the world.Logical formLearned from21 sentences. A male may contribute to journals.Logical formLearned from21 sentences. A male may contribute some papers.Logical formLearned from21 sentences. Persons may be contributed.Logical formLearned from21 sentences. A male may contribute to work.Logical formLearned from21 sentences. Work may contribute to a decline.Logical formLearned from21 sentences. A sponsor may contribute some prizes.Logical formLearned from21 sentences.