A walking stick can be hollow.Logical formLearned from1 sentences. (Mainstream rock) can be hollow.Logical formLearned from1 sentences. Figures may prove hollow.Logical formLearned from1 sentences. (Prisoner releases) may ring hollow.Logical formLearned from1 sentences. Glory may ring hollow.Logical formLearned from1 sentences. An American style of certainty may look hollow.Logical formLearned from1 sentences. Pronouncements of faith can be hollow.Logical formLearned from1 sentences. Promises of building can be hollow.Logical formLearned from1 sentences. A boasts may ring hollow.Logical formLearned from1 sentences. Turn can be hollow.Logical formLearned from1 sentences. A contention may ring hollow.Logical formLearned from1 sentences. A (plastic baseball) can be hollow.Logical formLearned from1 sentences. A forecast may feel hollow to restaurateurs.Logical formLearned from1 sentences. A nomenclature can be hollow.Logical formLearned from1 sentences. Raccoons may nes in hollow trees.Logical formLearned from1 sentences.