Friends can be hollow.Logical formLearned from3 sentences. A strawman can be hollow.Logical formLearned from3 sentences. Commitments can be hollow.Logical formLearned from3 sentences. Existence can be hollow.Logical formLearned from3 sentences. (Earth theorists) can be hollow.Logical formLearned from3 sentences. A tribute can be hollow.Logical formLearned from3 sentences. A tomb can be hollow.Logical formLearned from3 sentences. Plates can be hollow.Logical formLearned from3 sentences. A female may look hollow.Logical formLearned from3 sentences. A slope may pertain-to a hollow way.Logical formLearned from3 sentences. A clunk can be hollow.Logical formLearned from3 sentences. (Plastic golf balls) can be hollow.Logical formLearned from3 sentences. (Glass heads) can be hollow.Logical formLearned from3 sentences. A logic can be hollow.Logical formLearned from3 sentences. (Fiber capsule filters) can be hollow.Logical formLearned from3 sentences.