Guarantees can be hollow.Logical formLearned from5 sentences. A term can be hollow.Logical formLearned from5 sentences. A (chocolate bunny) can be hollow.Logical formLearned from5 sentences. Days can be hollow.Logical formLearned from5 sentences. Claims can be hollow.Logical formLearned from5 sentences. A sequoia can be hollow.Logical formLearned from5 sentences. A goddess can be hollow.Logical formLearned from5 sentences. Nests can be in hollow trees.Logical formLearned from5 sentences. A complaint can be hollow.Logical formLearned from5 sentences. (Missile threats) may prove hollow.Logical formLearned from5 sentences. A farce can be hollow.Logical formLearned from5 sentences. A threat may prove hollow.Logical formLearned from5 sentences. A commitment can be hollow.Logical formLearned from5 sentences. A US-president can be a hollow man.Logical formLearned from5 sentences. Complainings may ring hollow.Logical formLearned from5 sentences.