Contributions can be to economics.Logical formLearned from41 sentences. Contributions can be to a discussion.Logical formLearned from41 sentences. A (student contribution) may pertain-to a person.Logical formLearned from41 sentences. Contributions can be anticipated.Logical formLearned from41 sentences. Contributions may be collected.Logical formLearned from41 sentences. Respect can be to contributions.Logical formLearned from41 sentences. Contributions can be missed.Logical formLearned from41 sentences. Contributions may undergo an understanding.Logical formLearned from41 sentences. A person may appreciate a contribution.Logical formLearned from41 sentences. Contributions can be helpful.Logical formLearned from41 sentences. Restrictions can be on (campaign contributions).Logical formLearned from41 sentences. Contributions can be unexpected.Logical formLearned from41 sentences. Contributions can be to political parties.Logical formLearned from41 sentences. Contributions can be pivotal.Logical formLearned from41 sentences. (Campaign contributions) can be unregulated.Logical formLearned from41 sentences.