When I run the command `python grabnet/tests/test.py ...`, I find that ground truth grasps (in blue) are unrealistic. Is it normal behaviour? Subject 10, and object is a mug. <img width="1388" alt="image" src="https://user-images.githubusercontent.com/42044624/229270766-e73179be-94bd-438c-a6c7-ad978a745bb0.png">