| In this task, you need to check if there is a single puzzle piece in the image. |
|
|
| You should check one by one in the following order. |
|
|
| 1. If the image is pure black and contains nothing, you should output 'no' and skip the following checks. |
| 2. Otherwise, if the image shows a partially completed puzzle that contains multiple pieces, you should output 'no' and skip the following checks. |
| 3. Otherwise, if the image contains only one puzzle piece, please output 'yes' and skip the following checks. |
| 4. If the above points are not met, please output 'no'. |
|
|
| Since the image is edited, please ignore possible artifacts. The black background does not contain any puzzle-related content, please ignore it. |
|
|
| You should output the final conclusion on the last line in format: ['yes'] or ['no']. |
