A page can be hollow.Logical formLearned from3 sentences. A quoin can be hollow.Logical formLearned from3 sentences. A doll can be hollow.Logical formLearned from3 sentences. Eardrops can be hollow.Logical formLearned from3 sentences. A court can be hollow.Logical formLearned from3 sentences. Steps may be worn hollow by centuries of use.Logical formLearned from3 sentences. A butt can be hollow.Logical formLearned from3 sentences. (Apple trees) can be hollow.Logical formLearned from3 sentences. Dells can be hollow.Logical formLearned from3 sentences. Curves can be hollow.Logical formLearned from3 sentences. An armour can be hollow.Logical formLearned from3 sentences. Aspects can be hollow.Logical formLearned from3 sentences. Leaders can be hollow.Logical formLearned from3 sentences. A periphery can be hollow.Logical formLearned from3 sentences. A collar can be hollow.Logical formLearned from3 sentences.