Roofs can be flat.Logical formLearned from963 sentences. Sales can be flat.Logical formLearned from946 sentences. (Share prices) may close flat.Logical formLearned from881 sentences. A side can be flat.Logical formLearned from872 sentences. Areas can be flat.Logical formLearned from780 sentences. Shoes can be flat.Logical formLearned from740 sentences. A piece can be flat.Logical formLearned from723 sentences. A plain can be flat.Logical formLearned from717 sentences. A country can be flat.Logical formLearned from703 sentences. A sheet can be flat.Logical formLearned from693 sentences. The earth can be flat.Logical formLearned from687 sentences. A course can be flat.Logical formLearned from680 sentences. A bottom can be flat.Logical formLearned from598 sentences. A plate can be flat.Logical formLearned from595 sentences. Plains can be flat.Logical formLearned from582 sentences.