Dividing is a thinking method that divides a genus concept into his various concepts to clarify the concept extension. Correct division requires that the sum of the extensions of the division must be equal to the parent term, and the same standard must be adopted for the Extensions are incompatible and are at the same level. Which of the following statements are correctly divided as. ['mmediate relatives are divided into "parents", "relatives", "spouses" and "children".', 'ar is divided into conventional war and unconventional war.', 'arth is divided into southern and northern hemispheres.', 'ealth is divided into mental health and physical health.']