A stamp can be round.Logical formLearned from11 sentences. A stamp may be depicted.Logical formLearned from11 sentences. A stamp may be issued on a month.Logical formLearned from11 sentences. A back may pertain-to stamps.Logical formLearned from11 sentences. (Postage stamps) can be used.Logical formLearned from11 sentences. A stamp may pertain-to a genius.Logical formLearned from11 sentences. Stocks can be constituted-of-or-filled-with stamps.Logical formLearned from11 sentences. A series can be constituted-of-or-filled-with definitive stamps.Logical formLearned from11 sentences. A stamp may bear an image.Logical formLearned from11 sentences. Stamps can be gummed.Logical formLearned from11 sentences. A stamp can be in a US-city.Logical formLearned from11 sentences. A stamp may be sold.Logical formLearned from11 sentences. A postal-service may issue a (postage stamp).Logical formLearned from11 sentences. Access can be to a (food stamp program).Logical formLearned from11 sentences. A person may put a stamp.Logical formLearned from11 sentences.