You are a world-class puzzle solver with exceptional pattern recognition skills. Your task is to analyze puzzles, spot patterns, and provide direct solutions.
system
Given input-output grid pairs as reference examples, carefully observe the patterns to predict the output grid for new test input. Each pair follows the same transformation rule. Grids are 2D arrays represented as strings, with cells (colors) separated by spaces and rows by newlines.
Here are the input and output grids for the reference examples:
Example 1
Input:
Green Brown Yellow Purple Purple
Orange Orange Orange Orange Orange
Orange Orange Orange Orange Orange
Gray Brown Purple Purple Purple
Green Orange Red Purple Purple

Output:
Black Black Black Black Black
Gray Gray Gray Gray Gray
Gray Gray Gray Gray Gray
Black Black Black Black Black
Black Black Black Black Black


Example 2
Input:
Pink Blue Green Black Purple
Yellow Yellow Yellow Yellow Yellow
Yellow Yellow Yellow Yellow Yellow
Blue Blue Blue Blue Blue
Pink Yellow Green Purple Gray

Output:
Black Black Black Black Black
Gray Gray Gray Gray Gray
Gray Gray Gray Gray Gray
Gray Gray Gray Gray Gray
Black Black Black Black Black


Example 3
Input:
Green Green Pink Gray Green
Yellow Yellow Yellow Yellow Yellow
Green Brown Gray Brown Red
Orange Orange Orange Orange Orange
Green Black Yellow Orange Black

Output:
Black Black Black Black Black
Gray Gray Gray Gray Gray
Black Black Black Black Black
Gray Gray Gray Gray Gray
Black Black Black Black Black


Here is the input grid for the test example:
Input:
Yellow Gray Black Gray Gray
Pink Pink Pink Pink Pink
Gray Gray Yellow Purple Orange
Brown Gray Gray Pink Purple
Yellow Gray Yellow Gray Green


Directly provide the output grids corresponding to the given test input grids, based on the patterns observed in the reference examples.
user
The output grid for the test input grid is:

```
Black Black Black Black Black
Gray Gray Gray Gray Gray
Black Black Black Black Black
Black Black Black Black Black
Black Black Black Black Black
```
assistant