A cavity can be filled.Logical formLearned from14 sentences. A wall may pertain-to a (chest cavity).Logical formLearned from14 sentences. Cavities may pertain-to a heart.Logical formLearned from14 sentences. An inside may pertain-to a cavity.Logical formLearned from14 sentences. Cavities may pertain-to a brain.Logical formLearned from14 sentences. A cavity can be hidden.Logical formLearned from14 sentences. Cavity may be activated.Logical formLearned from14 sentences. A (body cavity) may pertain-to a person.Logical formLearned from14 sentences. A country may see a cavity a subgroup.Logical formLearned from14 sentences. A cavity may undergo a collapse.Logical formLearned from14 sentences. Cavities can be circular.Logical formLearned from14 sentences. Fluid can be in an abdominal cavity.Logical formLearned from14 sentences. Contents may pertain-to an abdominal cavity.Logical formLearned from14 sentences. Molecules may flow into a nasal cavity.Logical formLearned from14 sentences. A shape of a cavity may change.Logical formLearned from14 sentences.