Questionnaire on Portrait Lighting Enhancement

Given an input image, please order four images according to the image quality (Select the best first; The rank of the best to the worst is 1-5. ). The best one should 1) naturally adjust the under-exposure and over-exposure areas of the face so that it has a better lighting condition, 2) not change the overall skin color or lose any details, 3) not produce any artifacts. 
*1.
The input image is shown as follows.  【排序题】
*2.
The input image is shown as follows.  【排序题】
*3.
The input image is shown as follows.  【排序题】
*4.
The input image is shown as follows.  【排序题】
*5.
The input image is shown as follows.  【排序题】
*6.
The input image is shown as follows.  【排序题】
*7.
The input image is shown as follows.  【排序题】
*8.
The input image is shown as follows.  【排序题】
*9.
The input image is shown as follows.  【排序题】
*10.
The input image is shown as follows.  【排序题】
*11.
The input image is shown as follows.  【排序题】
*12.
The input image is shown as follows.  【排序题】
*13.
The input image is shown as follows.  【排序题】
*14.
The input image is shown as follows.  【排序题】
*15.
The input image is shown as follows.  【排序题】
*16.
The input image is shown as follows.  【排序题】
*17.
The input image is shown as follows.  【排序题】
*18.
The input image is shown as follows.  【排序题】
*19.
The input image is shown as follows.  【排序题】
*20.
The input image is shown as follows.  【排序题】
*21.
The input image is shown as follows.  【排序题】
*22.
The input image is shown as follows.  【排序题】
*23.
The input image is shown as follows.  【排序题】
*24.
The input image is shown as follows.  【排序题】
*25.
The input image is shown as follows.  【排序题】
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