A chest can be empty.Logical formLearned from62 sentences. Forms can be empty.Logical formLearned from62 sentences. Glass can be empty.Logical formLearned from62 sentences. A face can be empty.Logical formLearned from62 sentences. An alley can be empty.Logical formLearned from62 sentences. A drawer can be empty.Logical formLearned from62 sentences. A mansion can be empty.Logical formLearned from62 sentences. A courtyard can be empty.Logical formLearned from62 sentences. A database can be empty.Logical formLearned from62 sentences. A statement can be empty.Logical formLearned from62 sentences. Schools can be empty.Logical formLearned from61 sentences. A message can be empty.Logical formLearned from61 sentences. A cavity can be empty.Logical formLearned from61 sentences. Vehicles can be empty.Logical formLearned from61 sentences. A pillow can be empty.Logical formLearned from61 sentences.