A graveyard can be hollow.Logical formLearned from2 sentences. Black eyes can be hollow.Logical formLearned from2 sentences. Carbon can be hollow.Logical formLearned from2 sentences. A district can be hollow.Logical formLearned from2 sentences. Spurs can be hollow.Logical formLearned from2 sentences. An array can be hollow.Logical formLearned from2 sentences. A (plastic case) can be hollow.Logical formLearned from2 sentences. A movie can be hollow.Logical formLearned from2 sentences. A deity can be hollow.Logical formLearned from2 sentences. A bravado can be hollow.Logical formLearned from2 sentences. Talk of pacifism may sound hollow.Logical formLearned from2 sentences. A shriek can be hollow.Logical formLearned from2 sentences. Attempts may ring hollow.Logical formLearned from2 sentences. A résumé can be hollow.Logical formLearned from2 sentences. A book may feel hollow.Logical formLearned from2 sentences.