Girls can be hollow.Logical formLearned from3 sentences. Reasons can be hollow.Logical formLearned from3 sentences. Cases can be hollow.Logical formLearned from3 sentences. Poles can be hollow.Logical formLearned from3 sentences. An ox can be hollow.Logical formLearned from3 sentences. A neural tube can be hollow.Logical formLearned from3 sentences. A fist can be hollow.Logical formLearned from3 sentences. Caresses can be hollow.Logical formLearned from3 sentences. A blow can be hollow.Logical formLearned from3 sentences. A trough can be hollow.Logical formLearned from3 sentences. A summit can be hollow.Logical formLearned from3 sentences. A mountain can be hollow.Logical formLearned from3 sentences. Swellings can be hollow.Logical formLearned from3 sentences. Dolls can be hollow.Logical formLearned from3 sentences. A girder can be hollow.Logical formLearned from3 sentences.