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:
Brown Pink Yellow Purple
Black Brown Pink Black
Black Black Orange Black
Yellow Black Blue Orange

Output:
Blue Gray Blue Orange
Black Blue Gray Black
Black Black Purple Black
Blue Black Yellow Purple


Example 2
Input:
Black Red Black Orange
Black Black Brown Red
Pink Purple Brown Brown
Black Green Black Orange

Output:
Black Green Black Purple
Black Black Blue Green
Gray Orange Blue Blue
Black Red Black Purple


Example 3
Input:
Black Red Black Black
Black Gray Pink Blue
Purple Green Yellow Black
Black Gray Brown Black

Output:
Black Green Black Black
Black Pink Gray Yellow
Orange Red Blue Black
Black Pink Blue Black


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


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 Pink Black
Pink Black Yellow Black
Black Purple Black Black
Gray Black Blue Orange
```
assistant