Jiaxu Zhang issues

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                                            Jiaxu Zhang

Thanks for your job! I get "/test/detections.pkl'' after running "test_vcoco.sh". What do keys “roles” and “role1” mean in "/test/detections.pkl''?

![image](https://user-images.githubusercontent.com/22899034/229287749-16e4fd9e-8520-4b64-ba84-a38860864985.png) How can I get the dataset? Thanks!