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:
Purple Blue Purple Blue Purple Blue Purple Blue
Brown Purple Black Black Brown Purple Brown Purple
Purple Blue Black Black Purple Blue Purple Blue
Brown Purple Brown Purple Brown Purple Brown Purple
Purple Blue Purple Blue Purple Blue Purple Blue
Brown Purple Brown Purple Brown Purple Brown Purple

Output:
Brown Purple
Purple Blue


Example 2
Input:
Brown Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown
Black Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown
Brown Brown Brown Brown Brown Brown

Output:
Brown


Example 3
Input:
Blue Blue Blue Blue Blue Blue Blue Blue
Blue Green Blue Green Blue Green Blue Green
Blue Blue Blue Blue Blue Blue Blue Blue
Blue Green Blue Black Blue Green Blue Green
Blue Blue Blue Blue Blue Blue Blue Blue
Blue Green Blue Green Blue Green Blue Green
Blue Blue Blue Blue Blue Blue Blue Blue
Blue Green Blue Green Blue Green Blue Green

Output:
Green


Here is the input grid for the test example:
Input:
Blue Black Black Blue
Blue Black Black Blue
Blue Blue Blue Blue
Blue Blue Blue Blue


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:

```
Blue Blue
Blue Blue
```
assistant