Use "unjustness" in a sentence

1. -I have not spoken anything – protested Mariana, realizing the unjustness of the claim

2. The expression on Tommy’s face was identical to the devastation she felt with every rebuff; the swelling anger of unjustness; the primal, yet silent pleading for someone to look into her heart and see her pain

3. I was grieving for the unjustness of life