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:
Yellow Orange Orange Pink Pink
Yellow Blue Orange Orange Brown
Yellow Pink Brown Brown Purple
Yellow Gray Orange Green Gray

Output:
Yellow Black Black Black Black
Yellow Black Black Black Black
Yellow Black Black Black Black
Yellow Black Black Black Black


Example 2
Input:
Blue Brown Red Yellow
Purple Brown Red Blue
Brown Brown Red Red
Gray Brown Red Green
Brown Brown Red Pink

Output:
Black Yellow Yellow Black
Black Yellow Yellow Black
Black Yellow Yellow Black
Black Yellow Yellow Black
Black Yellow Yellow Black


Example 3
Input:
Purple Blue Gray Pink Yellow
Purple Purple Gray Pink Yellow
Purple Yellow Gray Pink Red
Purple Orange Gray Pink Green
Purple Green Gray Pink Blue

Output:
Yellow Black Yellow Yellow Black
Yellow Black Yellow Yellow Black
Yellow Black Yellow Yellow Black
Yellow Black Yellow Yellow Black
Yellow Black Yellow Yellow Black


Here is the input grid for the test example:
Input:
Gray Brown Gray
Gray Gray Gray
Gray Brown Gray


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:

```
Yellow Black Yellow
Yellow Black Yellow
Yellow Black Yellow
```
assistant