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:
Black Black Black
Black Black Black
Black Gray Black

Output:
Green


Example 2
Input:
Black Purple Black
Black Black Black
Black Black Black

Output:
Green


Example 3
Input:
Black Black Blue Gray Black
Black Black Black Black Gray
Black Black Blue Gray Black

Output:
Blue


Here is the input grid for the test example:
Input:
Blue Black Black Black Black Blue
Red Yellow Brown Brown Yellow Red
Black Pink Pink Pink Pink Black
Pink Black Black Black Black Pink


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:

```
Green
```
assistant