A role may pertain-to a donor.Logical formLearned from15 sentences. Favors can be for donors.Logical formLearned from15 sentences. A bridge can be to donors.Logical formLearned from15 sentences. Donors may form a backbone of a campaign.Logical formLearned from15 sentences. Grafts can be from donors.Logical formLearned from15 sentences. Donors can be fresh.Logical formLearned from15 sentences. A male can be (blood donor).Logical formLearned from15 sentences. Donors can be phony.Logical formLearned from15 sentences. A person may have donors.Logical formLearned from15 sentences. (Organ donors) can be registered.Logical formLearned from15 sentences. Donors can be selected.Logical formLearned from15 sentences. A donor may be used.Logical formLearned from15 sentences. Donors may remain anonymous.Logical formLearned from15 sentences. Payments can be to donors.Logical formLearned from15 sentences. Donors can be incompatible.Logical formLearned from15 sentences.