A foot can be hollow.Logical formLearned from7 sentences. A wheel can be hollow.Logical formLearned from7 sentences. A home can be hollow.Logical formLearned from7 sentences. Floors can be hollow.Logical formLearned from7 sentences. Denials may ring hollow.Logical formLearned from7 sentences. A pledge can be hollow.Logical formLearned from7 sentences. Blades can be hollow.Logical formLearned from7 sentences. Pledges can be hollow.Logical formLearned from7 sentences. A wreck can be hollow.Logical formLearned from7 sentences. Compartments can be hollow.Logical formLearned from7 sentences. Frames can be hollow.Logical formLearned from6 sentences. A dimension can be hollow.Logical formLearned from6 sentences. Verbs can be hollow.Logical formLearned from6 sentences. Pyramids can be hollow.Logical formLearned from6 sentences. Thorns can be hollow.Logical formLearned from6 sentences.