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:
Pink Purple Brown Pink
Orange Orange Green Brown
Gray Black Orange Gray

Output:
Pink Purple Brown Pink Pink Purple Brown Pink
Orange Orange Green Brown Orange Orange Green Brown
Gray Black Orange Gray Gray Black Orange Gray
Pink Purple Brown Pink Pink Purple Brown Pink
Orange Orange Green Brown Orange Orange Green Brown
Gray Black Orange Gray Gray Black Orange Gray


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

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


Example 3
Input:
Purple Green Red Yellow
Green Black Blue Orange
Orange Black Blue Black
Orange Black Purple Red

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


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


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:

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