A laugh can be hollow.Logical formLearned from7 sentences. Scents can be hollow.Logical formLearned from7 sentences. A pole can be hollow.Logical formLearned from7 sentences. Pockets can be hollow.Logical formLearned from7 sentences. A show can be hollow.Logical formLearned from7 sentences. A crack can be hollow.Logical formLearned from7 sentences. A body may feel hollow.Logical formLearned from7 sentences. A suit can be hollow.Logical formLearned from7 sentences. A bravado can be hollow.Logical formLearned from7 sentences. Ears can be hollow.Logical formLearned from7 sentences. A regime can be hollow.Logical formLearned from7 sentences. A product can be hollow.Logical formLearned from7 sentences. Ribs can be hollow.Logical formLearned from7 sentences. Complaints may ring hollow.Logical formLearned from7 sentences. A (consolation prize) can be hollow.Logical formLearned from7 sentences.