Run these commands:
1) "python3 D-DRO_fairness.py -dro" for D-DRO on adult dataset
2) "python3 D-DRO_fairness.py -con" for GCIVR on adult dataset
3) "python3 D-DRO_fairness.py" for Unconstrained Optimization on adult dataset

See the different argument choices for hyper tuning.