A president may want a blank check.Logical formLearned from15 sentences. A pistol can be blank.Logical formLearned from15 sentences. A header can be blank.Logical formLearned from15 sentences. Ballots can be blank.Logical formLearned from15 sentences. An interior can be blank.Logical formLearned from14 sentences. An arcading can be blank.Logical formLearned from14 sentences. A (ballot paper) can be blank.Logical formLearned from14 sentences. A (verse tragedy) can be blank.Logical formLearned from14 sentences. A head can be blank.Logical formLearned from14 sentences. A padding can be blank.Logical formLearned from14 sentences. A date may be left blank.Logical formLearned from14 sentences. A mirror can be blank.Logical formLearned from14 sentences. A cell can be blank.Logical formLearned from14 sentences. A terror can be blank.Logical formLearned from14 sentences. Starings can be blank.Logical formLearned from14 sentences.