How to get value from Tuple inside of GenericList?

How to get value from Tuple inside of GenericList?

auto outputs = network.forward(inputs).toTuple()->elements()[1]; 
std::cout << outputs << "\n";

Outputs:
[W faster_rcnn.py:96] Warning: RCNN always returns a (Losses, Detections) tuple in scripting (function )
[{boxes: 0.0000 4.0458 12.8517 17.3160
0.0000 1.8971 2.1000 16.8890
0.0000 3.2075 23.5053 20.9901
0.0000 7.2702 38.0136 19.9625
0.0000 2.8185 6.2506 15.2231
0.0000 7.7666 5.7852 16.8950
0.0000 7.3058 4.0280 13.9331
[ CUDAFloatType{7,4} ], labels: 1
1
1
1
1
1
1
[ CUDALongType{7} ], scores: 0.8489
0.6713
0.2980
0.1157
0.0758
0.0502
0.0501

I need to get values to draw rectangle, with label and score