A flavor can be hollow.Logical formLearned from2 sentences. Goals can be hollow.Logical formLearned from2 sentences. A person may have a hollow body.Logical formLearned from2 sentences. A hexagon can be hollow.Logical formLearned from2 sentences. A bone can be hollow.Logical formLearned from2 sentences. Scales can be hollow.Logical formLearned from2 sentences. Comments can be hollow.Logical formLearned from2 sentences. A refrain can be hollow.Logical formLearned from2 sentences. A pandering can be hollow.Logical formLearned from2 sentences. Concrete forms can be hollow blocks.Logical formLearned from2 sentences. Vertebrae can be hollow.Logical formLearned from2 sentences. A laugh can be hollow.Logical formLearned from2 sentences. Wares can be hollow.Logical formLearned from2 sentences. Vases can be hollow.Logical formLearned from2 sentences. Promises may proven hollow.Logical formLearned from2 sentences.