A geometry may pertain-to a cavity.Logical formLearned from6 sentences. A cavity can be annular.Logical formLearned from6 sentences. Cavities can be mucous.Logical formLearned from6 sentences. Cavities can be in trees.Logical formLearned from6 sentences. A cavity may be entered.Logical formLearned from6 sentences. A cavity can be recessed.Logical formLearned from6 sentences. A cavity can be with mirrors.Logical formLearned from6 sentences. Organs can be in an abdominal cavity.Logical formLearned from6 sentences. A cavity may pertain-to a nose.Logical formLearned from6 sentences. A cavity can be articular.Logical formLearned from6 sentences. A cavity can be in a trunk.Logical formLearned from6 sentences. A (cavity surface) can be vertical.Logical formLearned from6 sentences. A back may pertain-to a cavity.Logical formLearned from6 sentences. A cavity can be in a chest.Logical formLearned from6 sentences. Cavities may undergo an opening.Logical formLearned from6 sentences.