Contributions may pertain-to a study.Logical formLearned from28 sentences. A contribution can be an ability.Logical formLearned from28 sentences. A contribution can be to a defense.Logical formLearned from28 sentences. Contributions may be made by an employer.Logical formLearned from28 sentences. Contributions can be to (health care).Logical formLearned from28 sentences. A contribution may pertain-to students.Logical formLearned from28 sentences. Contributions may pertain-to a bank.Logical formLearned from28 sentences. A contribution may be used.Logical formLearned from28 sentences. A contribution can be to a family.Logical formLearned from28 sentences. Persons may recognize a contribution.Logical formLearned from28 sentences. Contributions may undergo an assessment.Logical formLearned from28 sentences. A (contribution amount) may pertain-to a person.Logical formLearned from28 sentences. Contributions can be from a (tobacco industry).Logical formLearned from28 sentences. A contribution can be to debates.Logical formLearned from28 sentences. A contribution may pertain-to a family.Logical formLearned from28 sentences.