A program can be empty.Logical formLearned from17 sentences. A waste can be empty.Logical formLearned from17 sentences. A question can be empty.Logical formLearned from17 sentences. A rectangle can be empty.Logical formLearned from17 sentences. (Country roads) can be empty.Logical formLearned from17 sentences. A kettle can be empty.Logical formLearned from17 sentences. A (gas station) can be empty.Logical formLearned from17 sentences. A seating can be empty.Logical formLearned from17 sentences. A bank can be empty.Logical formLearned from17 sentences. A sentiment can be empty.Logical formLearned from17 sentences. A person may believe in an empty universe of chaos.Logical formLearned from17 sentences. (Dairy sections) of some stores can be empty.Logical formLearned from17 sentences. A (bar stool) can be empty.Logical formLearned from17 sentences. A week can be empty.Logical formLearned from17 sentences. A (soup can) can be empty.Logical formLearned from17 sentences.