Factors may contribute to a delay.Logical formLearned from13 sentences. A development may contribute to (world peace).Logical formLearned from12 sentences. A country may contribute to a fight.Logical formLearned from12 sentences. A country may contribute to a process.Logical formLearned from12 sentences. A fact may contribute.Logical formLearned from12 sentences. Presence may contribute to stability.Logical formLearned from12 sentences. A country may contribute money.Logical formLearned from12 sentences. Companies may contribute to the economy.Logical formLearned from12 sentences. A male may contribute to a series.Logical formLearned from12 sentences. Laws may contribute to a free practice of religion.Logical formLearned from12 sentences. A male may contribute to a field.Logical formLearned from12 sentences. A male may contribute papers.Logical formLearned from12 sentences. A male may contribute to a paper.Logical formLearned from12 sentences. Work may be contributed.Logical formLearned from12 sentences. A female may contribute for some years.Logical formLearned from12 sentences.