A person may sound hollow.Logical formLearned from3 sentences. A store can be hollow.Logical formLearned from3 sentences. (Campaign promises) can be hollow.Logical formLearned from3 sentences. A goat can be hollow.Logical formLearned from3 sentences. A table can be hollow.Logical formLearned from3 sentences. Footpegs can be hollow.Logical formLearned from3 sentences. A (steel head) can be hollow.Logical formLearned from3 sentences. Melodies can be hollow.Logical formLearned from3 sentences. Waves can be hollow.Logical formLearned from3 sentences. A consequence of a hollow planet can be that something-is-the-case.Logical formLearned from3 sentences. Policies can be hollow.Logical formLearned from3 sentences. A period can be hollow.Logical formLearned from3 sentences. A reality can be hollow.Logical formLearned from3 sentences. A scream can be hollow.Logical formLearned from3 sentences. Trees can be hollow.Logical formLearned from3 sentences.