Fix yield for crd3
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I don't think you need to generate new dummy data, since they're in the same format as the original data.

The CI is failing because of this error:
```python
>                       turn["names"] = turn["NAMES"]
E                       TypeError: tuple indices must be integers or slices, not str
```

Do you know what could cause this ? If I understand correctly, `turn` is supposed to be a list of dictionaries right ?
2022-04-27T15:22:26Z
https://github.com/huggingface/datasets/pull/4240#issuecomment-1111135335
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CONTRIBUTOR
> ```  
>   
> Do you know what could cause this ? If I understand correctly, turn is supposed to be a list of dictionaries right ?
> ```

This is strange. Let me look into this. As per https://github.com/RevanthRameshkumar/CRD3/blob/master/data/aligned%20data/c%3D2/C1E001_2_0.json TURNS is a list of dictionaries. So when we iterate over `row["TURNS]"` each `turn` is essentially a dictionary. Not sure why it's being considered a tuple here.
2022-04-27T16:34:37Z
https://github.com/huggingface/datasets/pull/4240#issuecomment-1111214387
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Modified the `_generate_examples` function to consider all the turns for a chunk id as a single example
Modified the features accordingly

```
"turns": [
                        {
                            "names": datasets.features.Sequence(datasets.Value("string")),
                            "utterances": datasets.features.Sequence(datasets.Value("string")),
                            "number": datasets.Value("int32"),
                        }
                    ],
                }
```

I wasn't able to run `datasets-cli dummy_data datasets` command. Is there a workaround for this? 