Greetings can be blank.Logical formLearned from4 sentences. A pad can be blank.Logical formLearned from4 sentences. An essay can be blank.Logical formLearned from4 sentences. A paint can be blank.Logical formLearned from4 sentences. Eyes may remain blank.Logical formLearned from4 sentences. Depths can be blank.Logical formLearned from4 sentences. Smart cards can be blank.Logical formLearned from4 sentences. A black square can be blank.Logical formLearned from4 sentences. A (paper ..) can be blank.Logical formLearned from4 sentences. A (sim card) can be blank.Logical formLearned from4 sentences. Blank cds can be minutes.Logical formLearned from4 sentences. A night can be blank.Logical formLearned from4 sentences. A blue space can be blank.Logical formLearned from4 sentences. A blank page can be intimidating.Logical formLearned from4 sentences. A country may go blank.Logical formLearned from4 sentences.