Hills can be blank.Logical formLearned from2 sentences. (Dog tags) can be blank.Logical formLearned from2 sentences. A rectangular box can be blank.Logical formLearned from2 sentences. Brains may go blank.Logical formLearned from2 sentences. A film can be blank.Logical formLearned from2 sentences. A female may remain a blank slate.Logical formLearned from2 sentences. A sound can be blank.Logical formLearned from2 sentences. A bookmark can be blank.Logical formLearned from2 sentences. A personality can be blank.Logical formLearned from2 sentences. Fields may go blank.Logical formLearned from2 sentences. A pattern can be blank.Logical formLearned from2 sentences. A summary can be blank.Logical formLearned from2 sentences. A notepaper can be blank.Logical formLearned from2 sentences. A (data card) can be blank.Logical formLearned from2 sentences. Data can be blank.Logical formLearned from2 sentences.