Trains can be empty.Logical formLearned from70 sentences. A dream can be empty.Logical formLearned from69 sentences. A (freight train) can be empty.Logical formLearned from69 sentences. Souls can be empty.Logical formLearned from69 sentences. Lands can be empty.Logical formLearned from69 sentences. A smile can be empty.Logical formLearned from69 sentences. A stare can be empty.Logical formLearned from69 sentences. A tent can be empty.Logical formLearned from69 sentences. A set can be empty.Logical formLearned from69 sentences. A half can be empty.Logical formLearned from69 sentences. A brain can be empty.Logical formLearned from68 sentences. A stool can be empty.Logical formLearned from68 sentences. A dish can be empty.Logical formLearned from68 sentences. A court can be empty.Logical formLearned from68 sentences. A lake can be empty.Logical formLearned from67 sentences.