Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

Inhibin is a protein by the granulosa cells in women. 

It inhibits the synthesis and release of the follicle-stimulating hormone in the pituitary gland and reduces the hypothalamic LH - releasing hormone content. 

Relaxin is a hormone produced by the ovary and the placenta during pregnancy. 

In preparation for childbirth, it relaxes the ligaments in the pelvis and softens and widens the cervix.

Aldosterone increases the blood pressure while ANF decreases it.

Insulin is hypoglycemic, while glucagon is hyperglycemic.

Parathormone if hypercalcemic, while calcitonin is hypocalcemic.