For each index representing a consecutive pair of texts in the test set, the solution file should contain a number indicating, which of the texts is real. The file should contain a header and have the following format:

| id | real_text_id|
| --- | --- |
|1501|1|
|1502|1|
|1503|2|
|1504|1|
| ... | ...  |

The file should be saved in CSV.