Tentacles can be hollow.Logical formLearned from10 sentences. An injury can be hollow.Logical formLearned from10 sentences. A version can be hollow.Logical formLearned from10 sentences. A half can be hollow.Logical formLearned from10 sentences. A bowl can be hollow.Logical formLearned from10 sentences. A middle can be hollow.Logical formLearned from10 sentences. Quoins can be hollow.Logical formLearned from10 sentences. A curve can be hollow.Logical formLearned from10 sentences. A beam can be hollow.Logical formLearned from10 sentences. A sheath can be hollow.Logical formLearned from10 sentences. Fronts can be hollow.Logical formLearned from10 sentences. An else can be hollow.Logical formLearned from10 sentences. An athwart can be hollow.Logical formLearned from10 sentences. Words can be hollow.Logical formLearned from10 sentences. An optimal can be hollow.Logical formLearned from10 sentences.