A stamp may undergo an issuance.Logical formLearned from36 sentences. A stamp may pertain-to a postal-service.Logical formLearned from36 sentences. An official stamp can be constituted-of-or-filled-with approval.Logical formLearned from36 sentences. A stamp can be in a honor.Logical formLearned from36 sentences. (Postage stamps) can be rare.Logical formLearned from35 sentences. Stamps can be retired.Logical formLearned from35 sentences. An envelope can be with a stamp.Logical formLearned from35 sentences. A stamp can be blue.Logical formLearned from35 sentences. A total can be constituted-of-or-filled-with some stamps.Logical formLearned from34 sentences. A person may get stamps.Logical formLearned from34 sentences. Persons may get (food stamps).Logical formLearned from34 sentences. A stamp may pertain-to the world.Logical formLearned from34 sentences. Stamps may pertain-to a US-president.Logical formLearned from34 sentences. Sheets can be constituted-of-or-filled-with stamps.Logical formLearned from33 sentences. Participation can be in a (stamp program).Logical formLearned from33 sentences.