Which of the following pairs of hormones are not antagonistic...

Parathormone $\to$ Increases blood $C{a}^{+ 2}$ level

Calcitonin $\to$ Decreases blood $C{a}^{+ 2}$ level

Insulin $\to$ Decreases blood glucose level

Glucagon $\to$ Increases blood glucose level

Aldosterone $\to$ Increases B.P.

ANF $\to$ Decreases B.P.

Relaxin $\to$ Causes pelvic musculature relaxation

Inhibin $\to$ Inhibits FSH