An engine can be flat.Logical formLearned from65 sentences. A seat can be flat.Logical formLearned from65 sentences. A system can be flat.Logical formLearned from65 sentences. A representation can be flat.Logical formLearned from65 sentences. A period can be flat.Logical formLearned from65 sentences. Patterns can be flat.Logical formLearned from64 sentences. A state can be flat.Logical formLearned from64 sentences. A hierarchy can be flat.Logical formLearned from64 sentences. A loop can be flat.Logical formLearned from63 sentences. (Duo jets) can be flat.Logical formLearned from63 sentences. A US-city can be flat.Logical formLearned from63 sentences. Seas can be flat.Logical formLearned from63 sentences. Denials can be flat.Logical formLearned from63 sentences. Farmlands can be flat.Logical formLearned from63 sentences. A lot can be flat.Logical formLearned from63 sentences.