Streets can be empty of traffic.Logical formLearned from43 sentences. A barn can be empty.Logical formLearned from42 sentences. Structures can be empty.Logical formLearned from42 sentences. (Milk bottles) can be empty.Logical formLearned from42 sentences. A wrapper can be empty.Logical formLearned from42 sentences. A couch can be empty.Logical formLearned from42 sentences. Lanes can be empty.Logical formLearned from42 sentences. A symbol can be empty.Logical formLearned from42 sentences. A noise can be empty.Logical formLearned from42 sentences. A wagon can be empty.Logical formLearned from42 sentences. Lockers can be empty.Logical formLearned from42 sentences. Walls can be empty.Logical formLearned from42 sentences. A housing can be empty.Logical formLearned from42 sentences. A crate can be empty.Logical formLearned from42 sentences. Netters can be empty.Logical formLearned from41 sentences.