Loaf may sound hollow.Logical formLearned from4 sentences. A watershed can be hollow.Logical formLearned from4 sentences. A lover can be hollow.Logical formLearned from4 sentences. Bills can be hollow.Logical formLearned from4 sentences. An institution can be hollow.Logical formLearned from4 sentences. An agony can be hollow.Logical formLearned from4 sentences. A south can be hollow.Logical formLearned from4 sentences. Wires can be hollow.Logical formLearned from4 sentences. A military can be hollow.Logical formLearned from4 sentences. Passages can be hollow.Logical formLearned from4 sentences. An offer can be hollow.Logical formLearned from4 sentences. Spaghettis can be hollow.Logical formLearned from4 sentences. A (metal frame) can be hollow.Logical formLearned from4 sentences. A security can be hollow.Logical formLearned from4 sentences. A convention can be hollow.Logical formLearned from4 sentences.