{
    "max_num_human": 3,
    "max_num_object": 5,
    "coordinates_dimension": 2,
    "allowed_test_subject": ["Subject123", "Subject234", "Subject456", "Subject567"],
    "object_class_name": [
        "cup", "bottle", "laptop", "notebook", "pen", "snooker_cue"
    ],
    "subactivity_class_name":[
        "sit", "stand", "pass", "approach", "retreat", "lift", "place", "note", "shake hands", "hold",
        "pour", "drink", "cheers", "showcase", "teach", "listen", "play snooker"
    ],
    "activity_mapping":{
        "signing":{
            "used_object": {"notebook": 1, "pen": 1},
            "used_subactivity": [ "pass", "approach", "stand", "hold", "place ", "lift ", "note", "sit", "shake hands", "retreat"]
        },
        "cheering":{
            "used_object": {"bottle": 2, "cup": 3},
            "used_subactivity": [ "pass", "approach", "hold", "place ", "lift ", "sit", "pour", "retreat",  "drink",  "cheers"]
        },
        "teaching":{
            "used_object": {"laptop": 1, "notebook": 2, "pen": 2},
            "used_subactivity": ["note", "showcase",  "teach",  "listen"]
        },
        "snooker":{
            "used_object": {"snooker_cue": 2},
            "used_subactivity": [ "stand", "pass", "hold", "play snooker", "retreat"]
        }
    }
}