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 Black Yellow Black Black
Yellow Yellow Black Yellow Black
Black Black Yellow Black Black
Black Yellow Black Black Black
Black Black Black Black Black

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


Example 2
Input:
Black Black Pink Black Pink Black
Pink Pink Black Black Black Black
Pink Pink Black Black Black Black
Black Black Black Pink Pink Black
Black Pink Black Black Pink Black
Black Black Black Black Black Black

Output:
Black Black Pink Pink
Pink Pink Pink Pink
Pink Pink Pink Black
Pink Pink Pink Black


Example 3
Input:
Black Orange Orange Black Black Black
Orange Black Black Orange Orange Black
Orange Black Orange Orange Black Black
Black Black Orange Black Black Black
Black Black Orange Orange Black Black
Black Black Black Black Black Black

Output:
Black Orange Orange Orange Black Black
Orange Orange Orange Orange Orange Orange
Orange Orange Orange Orange Orange Orange
Orange Orange Orange Orange Orange Black
Black Black Orange Orange Orange Black
Black Black Orange Orange Orange Black


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


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 Gray
Gray Gray
Black Black
Black Black
```
assistant