Stamps can be collectible.Logical formLearned from14 sentences. A (cancer society) may give persons a stamp of quality.Logical formLearned from14 sentences. A stamp may undergo an unveiling.Logical formLearned from14 sentences. A mother can be for stamps.Logical formLearned from14 sentences. A stamp can be ugly.Logical formLearned from14 sentences. (Rubber stamps) may pertain-to a male.Logical formLearned from14 sentences. A stamp can be with a name.Logical formLearned from14 sentences. A postal-service may issue a commemorative stamp.Logical formLearned from14 sentences. A (rubber stamp) can be for interests.Logical formLearned from14 sentences. Stamps may pertain-to an international-political-entity.Logical formLearned from14 sentences. Stamps may go on sale.Logical formLearned from14 sentences. A stamp can be in passports.Logical formLearned from14 sentences. A (rubber stamp) can be constituted-of-or-filled-with approval.Logical formLearned from14 sentences. A stamp can be firm.Logical formLearned from14 sentences. A stamp may be released.Logical formLearned from13 sentences.