BertForQuestionAnswering output to predict text

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In predict mode, BertForQuestionAnswering model output a tuple like below, how to get the text answer interactively
```
tensor([[ 0.4691,  0.3912, -0.3447,  0.9756,  0.7171,  0.3746,  0.5273,  0.3756,
          0.2083,  0.4130,  0.2145,  0.1327,  0.7265,  0.4678,  0.6294,  0.3284]])
```
