A panel can be blank.Logical formLearned from56 sentences. A paper can be blank.Logical formLearned from55 sentences. A black screen can be blank.Logical formLearned from55 sentences. A room can be blank.Logical formLearned from55 sentences. A planet can be blank.Logical formLearned from54 sentences. A blank check can be for a road.Logical formLearned from54 sentences. A character can be blank.Logical formLearned from53 sentences. A layer can be blank.Logical formLearned from53 sentences. Samples can be blank.Logical formLearned from53 sentences. T-shirts can be blank.Logical formLearned from53 sentences. A directory can be blank.Logical formLearned from53 sentences. A cell can be blank.Logical formLearned from53 sentences. A space may be left blank.Logical formLearned from50 sentences. Rows can be blank.Logical formLearned from49 sentences. A point can be blank.Logical formLearned from49 sentences.