A percentage can be flat.Logical formLearned from80 sentences. Lines can be flat.Logical formLearned from79 sentences. A prairie can be flat.Logical formLearned from79 sentences. An ass can be flat.Logical formLearned from79 sentences. Discs can be flat.Logical formLearned from79 sentences. Work can be flat.Logical formLearned from79 sentences. Bars can be flat.Logical formLearned from79 sentences. An oval can be flat.Logical formLearned from79 sentences. An (income tax rate) can be flat.Logical formLearned from79 sentences. A coastal plain can be flat.Logical formLearned from79 sentences. A form can be flat.Logical formLearned from78 sentences. A format can be flat.Logical formLearned from78 sentences. A declaration can be flat.Logical formLearned from78 sentences. Structures can be flat.Logical formLearned from78 sentences. Disks can be flat.Logical formLearned from78 sentences.